Inferior thyroid artery

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Artery: Inferior thyroid artery
Thyrocervical trunk and its branches, including inferior thyroid artery. Superficial dissection of the right side of the neck.
Human parathyroid glands
Latin arteria thyreoidea inferior
Gray's subject #148 581
Supplies thyroid
Source thyrocervical trunk
Vein inferior 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.

Inferior thyroid with the branch ascending cervical artery labeled. Rest of branches are hidden behind other tissues.
Inferior thyroid with the branch ascending cervical artery labeled. Rest of branches are hidden behind other tissues.

The branches of the inferior thyroid are:

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

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 As such, some of the information contained herein may be outdated.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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List of arteries of head and neck
Anterior: CC/EC superior thyroid (superior laryngeal) - lingual (sublingual)
facial: cervical branches (ascending palatine, tonsillar, submental, glandular) - facial branches (inferior labial, superior labial, lateral nasal, angular)
Posterior and ascending: CC/EC occipital - posterior auricular (stylomastoid) - ascending pharyngeal (meningeal branches)
Terminal, superficial temporal: CC/EC transverse facial - middle temporal (zygomaticoörbital) - anterior auricular - frontal - parietal
Terminal, maxillary: CC/EC 1st 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
portions #1 and 2: CC/IC cervical portion (carotid sinus) - petrous portion (Vidian, caroticotympanic)
cavernous portion/ophthalmic: CC/IC orbital group: lacrimal (lateral palpebral) - supraorbital - posterior ethmoidal - anterior ethmoidal - medial palpebral - supratrochlear - dorsal nasal
ocular group: central retinal - ciliary (short posterior, long posterior, anterior) - superior hypophysial - inferior hypophysial
cerebral portion: CC/IC ACA - anterior communicating - MCA (anterolateral central) - posterior communicating - anterior choroidal - circle of Willis
vertebral artery: SC meningeal branches - posterior spinal - anterior spinal - PICA - basilar (pontine, labyrinthine, AICA, SCA, PCA)
thyrocervical trunk: SC inferior thyroid (inferior laryngeal, tracheal, esophageal, ascending cervical) - suprascapular - transverse cervical - dorsal scapular
Retrieved from "http://en.wikipedia.org/wiki/Inferior_thyroid_artery"
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