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Information about Inferior Thyroid Artery

Artery:
Thyrocervical trunk and its branches, including inferior thyroid artery. Superficial dissection of the right side of the neck.
Human parathyroid glands
Latinarteria thyreoidea inferior
subject #148 581
Suppliesthyroid
Sourcethyrocervical trunk
Veininferior thyroid veins
Dorlands/Elsevier a_61/12156378
The inferior thyroid artery passes upward, in front of the vertebral artery and Longus colli; then turns medialward behind the carotid sheath and its contents, and also behind the sympathetic trunk, the middle cervical ganglion resting upon the vessel.

Reaching the lower border of the thyroid gland it divides into two branches, which supply the postero-inferior parts of the gland, and anastomose with the superior thyroid, and with the corresponding artery of the opposite side.

The recurrent nerve passes upward generally behind, but occasionally in front, of the artery.

Branches



The branches of the inferior thyroid are:

Additional images


The position and relation of the esophagus in the cervical region and in the posterior mediastinum. Seen from behind.


External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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Arteries of head and neck
CC, EC: Anteriorsuperior thyroid (superior laryngeal) - lingual (sublingual)
facial: cervical branches (ascending palatine - tonsillar - submental - glandular) - facial branches (inferior labial - superior labial - lateral nasal - angular)
EC: Posterior and ascendingoccipital - posterior auricular (stylomastoid) - ascending pharyngeal (meningeal branches)
EC: Terminal, superficial temporaltransverse facial - middle temporal (zygomaticorbital) - anterior auricular - frontal - parietal
EC: Terminal, maxillary1st part: anterior tympanic - deep auricular - middle meningeal (superior tympanic) - accessory meningeal - inferior alveolar (mylohyoid)
2nd part: deep temporal - pterygoid branches - masseteric - buccal
3rd part: posterior superior alveolar - infraorbital (anterior superior alveolar) - descending palatine - artery of the pterygoid canal - sphenopalatine
CC, IC: portions #1 and 2cervical portion - petrous portion (Vidian, caroticotympanic)
IC: cavernous portion/ophthalmicorbital group: lacrimal - supraorbital - posterior ethmoidal - anterior ethmoidal - medial palpebral - supratrochlear - dorsal nasal
ocular group: central retinal - ciliary (short posterior, long posterior, anterior) - superior hypophysial - inferior hypophyseal
IC: cerebral portionACA - anterior communicating - MCA (anterolateral central) - posterior communicating - anterior choroidal - circle of Willis
SUBCLAVIAN: vertebralmeningeal branches - posterior spinal - anterior spinal - PICA - basilar (pontine - labyrinthine - AICA - SCA - PCA)
SUBCLAVIAN: thyrocervicalinferior thyroid (inferior laryngeal, tracheal, esophageal, ascending cervical) - suprascapular - transverse cervical - dorsal scapular
The thyrocervical trunk is a branch of the subclavian artery arising from the first portion of this vessel, i.e. between the origin of the subclavian artery and the inner border of the scalenus anterior muscle.
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Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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For other uses, see Thyroid cartilage.


The thyroid is one of the largest endocrine glands in the body. This gland is found in the neck just below the laryngeal prominence.
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The thyrocervical trunk is a branch of the subclavian artery arising from the first portion of this vessel, i.e. between the origin of the subclavian artery and the inner border of the scalenus anterior muscle.
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The inferior thyroid veins two, frequently three or four, in number, arise in the venous plexus on the thyroid gland, communicating with the middle and superior thyroid veins.

They form a plexus in front of the trachea, behind the Sternothyreoidei.
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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The vertebral arteries are branches of the subclavian arteries.

Cervical

They arise, one on each side of the body, then enter deep to the transverse process of the level of the 6th cervical vertebrae (C6).
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The Longus colli muscle is a muscle of the human body.

The Longus colli is situated on the anterior surface of the vertebral column, between the atlas and the third thoracic vertebra.
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The carotid sheath is an anatomical term for the fibrous connective tissue that surrounds the internal carotid artery and related structures in the neck.

Structure


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The sympathetic trunk (sympathetic chain, gangliated cord) is a bundle of nerve fibers that runs from the base of the skull to the coccyx. There are two sympathetic trunks in the body, a right one and a left one.
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Cervical ganglia can refer to:
  • superior cervical ganglion
  • middle cervical ganglion
  • inferior cervical ganglion

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For other uses, see Thyroid cartilage.


The thyroid is one of the largest endocrine glands in the body. This gland is found in the neck just below the laryngeal prominence.
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The superior thyroid artery arises from the external carotid artery just below the level of the greater cornu of the hyoid bone and ends in the thyroid gland.

Relations


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The recurrent laryngeal nerve is a branch of the vagus nerve (tenth cranial nerve) that supplies motor function and sensation to the larynx (voice box). It travels within the endoneurial sheath.
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The inferior laryngeal artery ascends upon the trachea to the back part of the larynx under cover of the Constrictor pharyngis inferior, in company with the recurrent nerve, and supplies the muscles and mucous membrane of this part, anastomosing with the branch from the opposite
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The esophageal branches of inferior thyroid artery supply the esophagus, and anastomose with the esophageal branches of the aorta.

External links

  • esophageal+arteries at eMedicine Dictionary

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The tracheal branches of inferior thyroid artery are distributed upon the trachea, and anastomose below with the bronchial arteries.

This article was originally based on an entry from a public domain edition of Gray's Anatomy.
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The ascending cervical artery is a small branch which arises from the inferior thyroid artery as that vessel is passing behind the carotid sheath; it runs up on the anterior tubercles of the transverse processes of the cervical vertebræ in the interval between the Scalenus
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eMedicine is an online clinical medical knowledge base that was founded in 1996 by Scott Plantz and Richard Lavely, two medical doctors. It was sold to WebMD in January 2006.
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Memorial University of Newfoundland, (popularly known as Memorial University or "MUN") is a comprehensive university located primarily in St. John's, Newfoundland and Labrador, Canada.
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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Arteries are muscular blood vessels that carry blood away from the heart.[1] All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood.

The circulatory system is extremely important for sustaining life.
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Head and neck anatomy focuses on the structures of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat.
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In human anatomy, the common carotid artery is an artery that supplies the head and neck with oxygenated blood; it divides in the neck to form the external and internal carotid arteries.
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In human anatomy, the external carotid artery is a major artery of the head and neck. It arises from the common carotid artery when it bifurcates into an internal and external branch.
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The superior thyroid artery arises from the external carotid artery just below the level of the greater cornu of the hyoid bone and ends in the thyroid gland.

Relations


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The superior laryngeal artery accompanies the internal laryngeal branch of the superior laryngeal nerve, beneath the Thyreohyoideus.

It pierces the hyothyroid membrane, and supplies the muscles, mucous membrane, and glands of the larynx, anastomosing with the branch from
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The lingual artery arises from the external carotid between the superior thyroid and facial artery.

It first runs obliquely upward and medialward to the greater cornu of the hyoid bone.
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The Sublingual Artery arises at the anterior margin of the Hyoglossus, and runs forward between the Genioglossus and Mylohyoideus to the sublingual gland.

It supplies the gland and gives branches to the Mylohyoideus and neighboring muscles, and to the mucous membrane of the
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