The blood supply to the thyroid gland is of great clinical relevance. Therefore, we now focus on the inferior thyroid artery (ITA). 2.22) show considerable variations.
The thyroid gland is located in the front of the neck, just above the center of the collarbone. Right side, 1 case (0.5%) in a women. Why the inferior thyroid artery should be ligated away from the gland during operation on it? Level of Evidence. The inferior thyroid artery is an artery in the neck. However, the superior parathyroid may have its sole vascular supply from the superior thyroid artery. Material and methods: The ITA of 31 patients (eight with Graves' disease, 23 with subclinical inferior thyroid artery. The superior thyroid artery is a major blood vessel in your circulatory system that supplies oxygenated blood to the thyroid gland and larynx (voice box).
Besides the production of T3 and T4, the thyroid produces calcitonin. The inferior thyroid artery (Latin: arteria thyreoidea inferior) is the largest branch of the thyrocervical trunk.It supplies several structures in the neck including the thyroid gland, lateral muscles of the upper neck.This artery also participates in supplying the larynx, pharynx, trachea, and the esophagus.. its branches carry oxygen-rich blood from your heart to various tissues that are essential for several basic functions A posterior branch forms an anastomosis with the posterior branch of the superior thyroid artery, along the posterior medial border of the thyroid lobe.
It arises from the thyrocervical trunk and passes upward, in front of the vertebral artery and longus colli muscle. Inferior thyroid artery. We report a case in which the large inferior thyroid artery was detected near the internal jugular vein using ultrasound.
The thyroid has two lobes, a right and left connected by an isthmus. Inferior thyroid artery is a branch of -. Thyrocervical Trunk branches: inferior thyroid artery, suprascapular artery, ascending cervical artery, transverse cervical artery. Central venous catheterization is associated with several potential complications, including arterial puncture or cannulation. origin: branch of the inferior thyroid artery course: ascends the trachea to enter the larynx at the lower border of the inferior pharyngeal constrictor muscle Pellegrini reported this type once in 104 cases. The thyroid gland is located in the front of the neck, just above the The inferior thyroid artery runs up your neck and throat. The inferior thyroid artery is a branch of the thyrocervical trunk (85%) or subclavian artery (15%) and ascends to enter the thyroid gland on its posterior surface, as well as supplying both the superior and inferior parathyroid glands 1.. artery [ahrter-e] a vessel through which the blood passes away from the heart to various parts of the body. However, the superior parathyroid may have its sole vascular supply from the superior thyroid artery. 42.242.9) and the arteria thyroidea ima (see Fig. The inferior thyroid artery is an artery located near the thyroid gland in the human body. A branch of the thyrocervical trunk (from the subclavian artery); it winds upward behind the carotid sheath and then runs medially toward the thyroid gland. See also: artery. The inferior thyroid artery is an artery located near the thyroid gland in the human body. Purpose: The aim of the study is to find out whether the measurement of peak systolic velocity in the inferior thyroid artery (ITA) is a valuable parameter to differentiate autoimmune thyroid diseases (hyper-, normo- or hypofunctional) and to evaluate the efficacy of medical treatment. 3 Laryngoscope, 2022. The middle cervical ganglion rests on the artery.
The pharyngeal branches of the inferior thyroid artery supply the pharynx . The glandular branches of the inferior thyroid artery are small branches which directly supply the thyroid gland . It is considered one of the main blood vessels that supply blood to the thyroid, which is located in the front of the neck and works with the superior thyroid artery to produce hormones that maintain the bodys function. 2) Common Carotid artery. Regardless, each parathyroid gland has a dominant single vessel. A case of aneurysm of the inferior thyroid artery is presented. Find out information about thyroid artery, inferior. Its blood supply is from the superior thyroid artery (external carotid) and the inferior thyroid artery (subclavian artery), and the superior and middle thyroid veins drain into the internal jugular and the inferior into the brachiocephalic vein (Fig. Injury to the inferior thyroid artery (ITA) is an extremely rare complication of blunt neck trauma. The thyroid has two lobes, a right and left connected by an isthmus. A 58-yr-old woman with undiagnosed goiter was scheduled to undergo hepatectomy. It is related to the base of the thyroid gland, where it is accompanied by the external laryngeal nerve. It has a sensitivity of 88.9% with a specificity of 87.5% in the differentiation between Graves disease and other forms of autoimmune thyroiditis. Supply. Superior thyroid artery (SThA) is a common recipient artery in free tissue transfer even after total pharyngolaryngoesophagectomy (TPLE) with hemithyroidectomy. Regardless, each parathyroid gland has a dominant single vessel. The inferior thyroid artery arose with the transverse cervical, ascending cervical, suprascapular, and internal thoracic from a common stem. The inferior thyroid artery runs up your neck and throat. Most of its branches penetrate the posterior aspect of the lateral lobe, as shown below. Inferior thyroid vein. Because of extreme variability of the inferior thyroid artery and the RLN, it is suggested that the artery be ligated either proximally or at its tertiary branches on thyroid capsule. The inferior thyroid artery reaches the thyroid body at the junction of the superior two-thirds and inferior one-third of the gland. Inferior thyroid artery blood flow is a useful parameter in the differential diagnosis of thyrotoxicosis.
It is considered one of the main blood vessels that supply blood to the thyroid, which is located in the front of the neck and works with the superior thyroid artery to produce hormones that maintain the bodys function.
Explanation of thyroid artery, inferior The inferior thyroid artery is a branch of the thyrocervical trunk (85%) or subclavian artery (15%) and ascends to enter the thyroid gland on its posterior surface, as well as supplying both the superior and inferior parathyroid glands 1.. The inferior thyroid artery is the largest and most significant branch of the thyrocervical trunk. It divides into the inferior and superior branches near the base of the thyroid gland, which supply the thyroid gland's inferior and posterior surfaces. The superior branch also supply the parathyroid glands. The thyroid weighs about 20 g and each lateral lobe is about 4 cm long. Thyrocervical Trunk branches: inferior thyroid artery, suprascapular artery, ascending cervical artery, transverse cervical artery.
It accompanies the Recurrent laryngeal nerve. The artery is
Thyroid gland volume was calculated from grey-scale ultrasound images followed by spectral Doppler evaluation of the bilateral inferior thyroid arteries; the resistivity index, the pulsatility index and the peak systolic velocity were calculated for the bilateral inferior thyroid arteries with calculation of the mean values. The inferior thyroid vein may refer to any of the two, three or four veins that make up the venous plexus, an intricate system of The inferior thyroid artery passes upwards anterior to the anterior scalene inferior thyroid artery. In view of the high incidence of complications, early surgical treatment is The inferior thyroid artery passes upwards anterior to the anterior scalene Looking for thyroid artery, inferior? The nerve can be found deep to the inferior thyroid artery, superficially or between branches of the artery [9,10].
A branch of the thyrocervical trunk (from the subclavian artery); it winds upward behind the carotid sheath and then runs medially toward the thyroid gland. We report a case The inferior thyroid artery (Fig. 22.7) arises from the thyrocervical trunk, which branches from the subclavian artery on the pleural dome, in front and a little lateral of the vertebral artery. Fig. 22.7. Superior and inferior thyroid arteries. A vertical part beginning just outside the vertebral artery. 2. Course Branch of the thyrocervical trunk of the subclavian artery. Inferior thyroid artery arises from the thyrocervical trunk in 90.5%, from subclavian in 7.5%, and very rarely from the common carotid, aortic arch, brachiocephalic, internal thoracic, pericardiacophrenic, or vertebral. Illustrated anatomical parts with images from e-Anatomy and descriptions of anatomical structures Anatomical hierarchy. The thyroid is in the front of your neck and produces an array of hormones vital to many bodily functions.
Supplies the lower part of the thyroid gland as well as the parathyroid glands. The wall of an artery consists typically of an outer coat (tunica adventitia), a middle coat (tunica media), and an inner coat (tunica intima). 40.1 Origin from the Subclavian Artery Medial to the Anterior Scalenus Muscle (95%) 1).
As it rises, it passes behind the carotid sheath and the sympathetic trunk. The inferior thyroid artery is a branch of the thyrocervical trunk, which in turn is a branch of the first part of the subclavian artery. Inferior thyroid artery - Arteria thyroidea inferior Anatomical Parts. Thyroid ima artery is more common variety found in up to12.2% of the population. The anatomical relationship between the recurrent laryngeal nerve (RLN) and the inferior thyroid artery (ITA) is volatile (Fig. Introduction: The inferior thyroid artery (ITA) is the primary source of blood supply to the thyroid gland and is historically portrayed as Digital subtraction angiography can determine the precise site and type of aneurysm. 1 10. 3) Axillary artery.
11.18). The subtle initial clinical presentation and the potential life-threatening sequelae make it a diagnostic and therapeutic challenge. Since most cysts are located at the posterior, inferior position of thyroid glands near the intersection between inferior thyroid artery and recurrent laryngeal nerve, the nerve should be well protected.15 Although laparoscopic thyroid cystectomy has been widely applied, it is assigned to a traumatic surgery rather than a minimally invasive one owing to long surgical time, large Its branches include the ascending cervical, pharyngeal, inferior laryngeal, and superior and inferior thyroid arteries.
The inferior thyroid artery (Latin: arteria thyreoidea inferior) is the largest branch of the thyrocervical trunk.It supplies several structures in the neck including the thyroid gland, lateral muscles of the upper neck.This artery also participates in supplying the larynx, pharynx, trachea, and the esophagus..
The inferior thyroid artery is the principal contribution to both the superior and inferior parathyroid glands. Superior thyroid vein drains directly into the IJV b. Structure and Function. Inferior thyroid artery branch of the thyrocervical trunk from the subclavian artery c. Thyroidea ima not always present; can arise directly from the arch of the aorta or from the brachiocephalic ascends on the anterior surface of the trachea Venous Drainage a.
If the artery arises from the subclavian artery, it may be known as the accessory inferior thyroid artery. The inferior thyroid artery is the principal contribution to both the superior and inferior parathyroid glands. Thyroid gland volume was calculated from grey-scale ultrasound images followed by spectral Doppler evaluation of the bilateral inferior thyroid arteries; the resistivity index, the pulsatility index and the peak systolic velocity were calculated for the bilateral inferior thyroid arteries with calculation of the mean values. The inferior thyroid arose with the transverse cervical and suprascapular arteries from a common stem. If the artery arises from the subclavian artery, it may be known as the accessory inferior thyroid artery. It is usually not possible to diagnose the exact site of origin clinically. 1) Subclavian artery. The internal branch of the SLN is not potentially at risk during thyroidectomy unless the superior thyroid
1). Central venous catheterization is associated with several potential complications, including arterial puncture or cannulation. Its branches include the ascending cervical, pharyngeal, inferior laryngeal, and superior and inferior thyroid arteries. In addition to the inferior thyroid arteries, the superior thyroid arteries (see Figs. The ITA usually arises from the thyrocervical trunk and supplies the thyroid gland, while the RLN, which is a mixed nerve, is one of the branches of the vagus nerve. Anatomy. blood vessel that conveys blood away from the heart heart, muscular organ that pumps blood to all parts of the body. The superior parathyroid glands are located dorsal to the upper two thirds of the thyroid lobe and posterior to the recurrent laryngeal nerve. It divides into three terminal branches: 1. Clinical Significance The superior thyroid artery is a major blood vessel in your circulatory system that supplies oxygenated blood to the thyroid gland and larynx (voice box). The thyroid is in the front of your neck and produces an array of hormones vital to many bodily functions. The larynx is situated above the thyroid gland and is crucial for speech. It ascends vertically and then curves medially to enter the tracheoesophageal groove in a plane posterior to the carotid sheath. The inferior thyroid artery arises from the thyrocervical trunk, a branch of the subclavian artery. The inferior thyroid artery has a variable branching pattern and is closely associated with the recurrent laryngeal nerve. See also: artery. The inferior laryngeal artery accompanies the recurrent laryngeal nerve into the larynx, where it anastomoses with the superior laryngeal artery to supply the muscles and mucous membranes of the larynx 1.. Summary. The superior thyroid artery is found in the carotid triangle of the neck, and stems from the anterior surface of the external carotid artery, inferior to the greater horn/cornu of the hyoid bone.The artery then courses inferiorly along the lateral border of the thyrohyoid muscle and reaches the apex of the thyroid lobe.. The external laryngeal nerve lies posteromedial to the The ITA usually arises from the thyrocervical trunk and supplies the thyroid gland, while the RLN, which is a mixed nerve, is one of the branches of the vagus nerve. The inferior thyroid artery originates from the thyrocervical trunk of the subclavian artery and ascends anteriorly to the vertebral artery and the longus coli muscle and then curves medially behind the carotid sheath to enter posteriorly the inferior part of the thyroid lobe. Even after hemithyroidectomy, with inferior thyroid arteries are preserved, the SThA can be used as a recipient vessel. The intersection of the inferior thyroid artery and the recurrent laryngeal nerve is an important landmark because most parathyroid glands, superior and inferior, are located within 2 cm of this area. It then turns medially behind the carotid sheath and its contents, and also behind the sympathetic trunk, the middle cervical ganglion resting upon the vessel. Besides the production of T3 and T4, the thyroid produces calcitonin. The anatomical relationship between the recurrent laryngeal nerve (RLN) and the inferior thyroid artery (ITA) is volatile (Fig. We report a case in which the large inferior thyroid artery was detected near the internal jugular vein using ultrasound. Structure and Function. A 58-yr-old woman with undiagnosed goiter was scheduled to undergo hepatectomy. 4) Thyrocervical trunk. The artery is
The thyroid gland is located in the front of the neck, just above the center of the collarbone. Right side, 1 case (0.5%) in a women. Why the inferior thyroid artery should be ligated away from the gland during operation on it? Level of Evidence. The inferior thyroid artery is an artery in the neck. However, the superior parathyroid may have its sole vascular supply from the superior thyroid artery. Material and methods: The ITA of 31 patients (eight with Graves' disease, 23 with subclinical inferior thyroid artery. The superior thyroid artery is a major blood vessel in your circulatory system that supplies oxygenated blood to the thyroid gland and larynx (voice box).
Besides the production of T3 and T4, the thyroid produces calcitonin. The inferior thyroid artery (Latin: arteria thyreoidea inferior) is the largest branch of the thyrocervical trunk.It supplies several structures in the neck including the thyroid gland, lateral muscles of the upper neck.This artery also participates in supplying the larynx, pharynx, trachea, and the esophagus.. its branches carry oxygen-rich blood from your heart to various tissues that are essential for several basic functions A posterior branch forms an anastomosis with the posterior branch of the superior thyroid artery, along the posterior medial border of the thyroid lobe.
It arises from the thyrocervical trunk and passes upward, in front of the vertebral artery and longus colli muscle. Inferior thyroid artery. We report a case in which the large inferior thyroid artery was detected near the internal jugular vein using ultrasound.
The thyroid has two lobes, a right and left connected by an isthmus. Inferior thyroid artery is a branch of -. Thyrocervical Trunk branches: inferior thyroid artery, suprascapular artery, ascending cervical artery, transverse cervical artery. Central venous catheterization is associated with several potential complications, including arterial puncture or cannulation. origin: branch of the inferior thyroid artery course: ascends the trachea to enter the larynx at the lower border of the inferior pharyngeal constrictor muscle Pellegrini reported this type once in 104 cases. The thyroid gland is located in the front of the neck, just above the The inferior thyroid artery runs up your neck and throat. The inferior thyroid artery is a branch of the thyrocervical trunk (85%) or subclavian artery (15%) and ascends to enter the thyroid gland on its posterior surface, as well as supplying both the superior and inferior parathyroid glands 1.. artery [ahrter-e] a vessel through which the blood passes away from the heart to various parts of the body. However, the superior parathyroid may have its sole vascular supply from the superior thyroid artery. 42.242.9) and the arteria thyroidea ima (see Fig. The inferior thyroid artery is an artery located near the thyroid gland in the human body. A branch of the thyrocervical trunk (from the subclavian artery); it winds upward behind the carotid sheath and then runs medially toward the thyroid gland. See also: artery. The inferior thyroid artery is an artery located near the thyroid gland in the human body. Purpose: The aim of the study is to find out whether the measurement of peak systolic velocity in the inferior thyroid artery (ITA) is a valuable parameter to differentiate autoimmune thyroid diseases (hyper-, normo- or hypofunctional) and to evaluate the efficacy of medical treatment. 3 Laryngoscope, 2022. The middle cervical ganglion rests on the artery.
The pharyngeal branches of the inferior thyroid artery supply the pharynx . The glandular branches of the inferior thyroid artery are small branches which directly supply the thyroid gland . It is considered one of the main blood vessels that supply blood to the thyroid, which is located in the front of the neck and works with the superior thyroid artery to produce hormones that maintain the bodys function. 2) Common Carotid artery. Regardless, each parathyroid gland has a dominant single vessel. A case of aneurysm of the inferior thyroid artery is presented. Find out information about thyroid artery, inferior. Its blood supply is from the superior thyroid artery (external carotid) and the inferior thyroid artery (subclavian artery), and the superior and middle thyroid veins drain into the internal jugular and the inferior into the brachiocephalic vein (Fig. Injury to the inferior thyroid artery (ITA) is an extremely rare complication of blunt neck trauma. The thyroid has two lobes, a right and left connected by an isthmus. A 58-yr-old woman with undiagnosed goiter was scheduled to undergo hepatectomy. It is related to the base of the thyroid gland, where it is accompanied by the external laryngeal nerve. It has a sensitivity of 88.9% with a specificity of 87.5% in the differentiation between Graves disease and other forms of autoimmune thyroiditis. Supply. Superior thyroid artery (SThA) is a common recipient artery in free tissue transfer even after total pharyngolaryngoesophagectomy (TPLE) with hemithyroidectomy. Regardless, each parathyroid gland has a dominant single vessel. The inferior thyroid artery arose with the transverse cervical, ascending cervical, suprascapular, and internal thoracic from a common stem. The inferior thyroid artery runs up your neck and throat. Most of its branches penetrate the posterior aspect of the lateral lobe, as shown below. Inferior thyroid vein. Because of extreme variability of the inferior thyroid artery and the RLN, it is suggested that the artery be ligated either proximally or at its tertiary branches on thyroid capsule. The inferior thyroid artery reaches the thyroid body at the junction of the superior two-thirds and inferior one-third of the gland. Inferior thyroid artery blood flow is a useful parameter in the differential diagnosis of thyrotoxicosis.
It is considered one of the main blood vessels that supply blood to the thyroid, which is located in the front of the neck and works with the superior thyroid artery to produce hormones that maintain the bodys function.
Explanation of thyroid artery, inferior The inferior thyroid artery is a branch of the thyrocervical trunk (85%) or subclavian artery (15%) and ascends to enter the thyroid gland on its posterior surface, as well as supplying both the superior and inferior parathyroid glands 1.. The inferior thyroid artery is the largest and most significant branch of the thyrocervical trunk. It divides into the inferior and superior branches near the base of the thyroid gland, which supply the thyroid gland's inferior and posterior surfaces. The superior branch also supply the parathyroid glands. The thyroid weighs about 20 g and each lateral lobe is about 4 cm long. Thyrocervical Trunk branches: inferior thyroid artery, suprascapular artery, ascending cervical artery, transverse cervical artery.
It accompanies the Recurrent laryngeal nerve. The artery is
Thyroid gland volume was calculated from grey-scale ultrasound images followed by spectral Doppler evaluation of the bilateral inferior thyroid arteries; the resistivity index, the pulsatility index and the peak systolic velocity were calculated for the bilateral inferior thyroid arteries with calculation of the mean values. The inferior thyroid vein may refer to any of the two, three or four veins that make up the venous plexus, an intricate system of The inferior thyroid artery passes upwards anterior to the anterior scalene inferior thyroid artery. In view of the high incidence of complications, early surgical treatment is The inferior thyroid artery passes upwards anterior to the anterior scalene Looking for thyroid artery, inferior? The nerve can be found deep to the inferior thyroid artery, superficially or between branches of the artery [9,10].
A branch of the thyrocervical trunk (from the subclavian artery); it winds upward behind the carotid sheath and then runs medially toward the thyroid gland. We report a case The inferior thyroid artery (Fig. 22.7) arises from the thyrocervical trunk, which branches from the subclavian artery on the pleural dome, in front and a little lateral of the vertebral artery. Fig. 22.7. Superior and inferior thyroid arteries. A vertical part beginning just outside the vertebral artery. 2. Course Branch of the thyrocervical trunk of the subclavian artery. Inferior thyroid artery arises from the thyrocervical trunk in 90.5%, from subclavian in 7.5%, and very rarely from the common carotid, aortic arch, brachiocephalic, internal thoracic, pericardiacophrenic, or vertebral. Illustrated anatomical parts with images from e-Anatomy and descriptions of anatomical structures Anatomical hierarchy. The thyroid is in the front of your neck and produces an array of hormones vital to many bodily functions.
Supplies the lower part of the thyroid gland as well as the parathyroid glands. The wall of an artery consists typically of an outer coat (tunica adventitia), a middle coat (tunica media), and an inner coat (tunica intima). 40.1 Origin from the Subclavian Artery Medial to the Anterior Scalenus Muscle (95%) 1).
As it rises, it passes behind the carotid sheath and the sympathetic trunk. The inferior thyroid artery is a branch of the thyrocervical trunk, which in turn is a branch of the first part of the subclavian artery. Inferior thyroid artery - Arteria thyroidea inferior Anatomical Parts. Thyroid ima artery is more common variety found in up to12.2% of the population. The anatomical relationship between the recurrent laryngeal nerve (RLN) and the inferior thyroid artery (ITA) is volatile (Fig. Introduction: The inferior thyroid artery (ITA) is the primary source of blood supply to the thyroid gland and is historically portrayed as Digital subtraction angiography can determine the precise site and type of aneurysm. 1 10. 3) Axillary artery.
11.18). The subtle initial clinical presentation and the potential life-threatening sequelae make it a diagnostic and therapeutic challenge. Since most cysts are located at the posterior, inferior position of thyroid glands near the intersection between inferior thyroid artery and recurrent laryngeal nerve, the nerve should be well protected.15 Although laparoscopic thyroid cystectomy has been widely applied, it is assigned to a traumatic surgery rather than a minimally invasive one owing to long surgical time, large Its branches include the ascending cervical, pharyngeal, inferior laryngeal, and superior and inferior thyroid arteries.
The inferior thyroid artery (Latin: arteria thyreoidea inferior) is the largest branch of the thyrocervical trunk.It supplies several structures in the neck including the thyroid gland, lateral muscles of the upper neck.This artery also participates in supplying the larynx, pharynx, trachea, and the esophagus..
The inferior thyroid artery is the principal contribution to both the superior and inferior parathyroid glands. Superior thyroid vein drains directly into the IJV b. Structure and Function. Inferior thyroid artery branch of the thyrocervical trunk from the subclavian artery c. Thyroidea ima not always present; can arise directly from the arch of the aorta or from the brachiocephalic ascends on the anterior surface of the trachea Venous Drainage a.
If the artery arises from the subclavian artery, it may be known as the accessory inferior thyroid artery. The inferior thyroid artery is the principal contribution to both the superior and inferior parathyroid glands. Thyroid gland volume was calculated from grey-scale ultrasound images followed by spectral Doppler evaluation of the bilateral inferior thyroid arteries; the resistivity index, the pulsatility index and the peak systolic velocity were calculated for the bilateral inferior thyroid arteries with calculation of the mean values. The inferior thyroid arose with the transverse cervical and suprascapular arteries from a common stem. If the artery arises from the subclavian artery, it may be known as the accessory inferior thyroid artery. It is usually not possible to diagnose the exact site of origin clinically. 1) Subclavian artery. The internal branch of the SLN is not potentially at risk during thyroidectomy unless the superior thyroid
1). Central venous catheterization is associated with several potential complications, including arterial puncture or cannulation. Its branches include the ascending cervical, pharyngeal, inferior laryngeal, and superior and inferior thyroid arteries. In addition to the inferior thyroid arteries, the superior thyroid arteries (see Figs. The ITA usually arises from the thyrocervical trunk and supplies the thyroid gland, while the RLN, which is a mixed nerve, is one of the branches of the vagus nerve. Anatomy. blood vessel that conveys blood away from the heart heart, muscular organ that pumps blood to all parts of the body. The superior parathyroid glands are located dorsal to the upper two thirds of the thyroid lobe and posterior to the recurrent laryngeal nerve. It divides into three terminal branches: 1. Clinical Significance The superior thyroid artery is a major blood vessel in your circulatory system that supplies oxygenated blood to the thyroid gland and larynx (voice box). The thyroid is in the front of your neck and produces an array of hormones vital to many bodily functions. The larynx is situated above the thyroid gland and is crucial for speech. It ascends vertically and then curves medially to enter the tracheoesophageal groove in a plane posterior to the carotid sheath. The inferior thyroid artery arises from the thyrocervical trunk, a branch of the subclavian artery. The inferior thyroid artery has a variable branching pattern and is closely associated with the recurrent laryngeal nerve. See also: artery. The inferior laryngeal artery accompanies the recurrent laryngeal nerve into the larynx, where it anastomoses with the superior laryngeal artery to supply the muscles and mucous membranes of the larynx 1.. Summary. The superior thyroid artery is found in the carotid triangle of the neck, and stems from the anterior surface of the external carotid artery, inferior to the greater horn/cornu of the hyoid bone.The artery then courses inferiorly along the lateral border of the thyrohyoid muscle and reaches the apex of the thyroid lobe.. The external laryngeal nerve lies posteromedial to the The ITA usually arises from the thyrocervical trunk and supplies the thyroid gland, while the RLN, which is a mixed nerve, is one of the branches of the vagus nerve. The inferior thyroid artery originates from the thyrocervical trunk of the subclavian artery and ascends anteriorly to the vertebral artery and the longus coli muscle and then curves medially behind the carotid sheath to enter posteriorly the inferior part of the thyroid lobe. Even after hemithyroidectomy, with inferior thyroid arteries are preserved, the SThA can be used as a recipient vessel. The intersection of the inferior thyroid artery and the recurrent laryngeal nerve is an important landmark because most parathyroid glands, superior and inferior, are located within 2 cm of this area. It then turns medially behind the carotid sheath and its contents, and also behind the sympathetic trunk, the middle cervical ganglion resting upon the vessel. Besides the production of T3 and T4, the thyroid produces calcitonin. The anatomical relationship between the recurrent laryngeal nerve (RLN) and the inferior thyroid artery (ITA) is volatile (Fig. We report a case in which the large inferior thyroid artery was detected near the internal jugular vein using ultrasound. Structure and Function. A 58-yr-old woman with undiagnosed goiter was scheduled to undergo hepatectomy. 4) Thyrocervical trunk. The artery is