Thyroid foramen

Thyroid foramen
Thyroid Thy"roid, a. [Gr. qyreoeidh`s shield-shaped; qyreo`s a large, oblong shield (from qy`ra a door) + e'i^dos form: cf. F. thyro["i]de, thyr['e]o["i]de.] 1. Shaped like an oblong shield; shield-shaped; as, the thyroid cartilage. [1913 Webster]

2. (Anat.) Of or pertaining to the thyroid body, thyroid cartilage, or thyroid artery; thyroideal. [1913 Webster]

{Thyroid cartilage}. See under {Larynx}.

{Thyroid body}, or {Thyroid gland} (Anat.), an endocrine gland having two lobes, located in the floor of the mouth or the region of the larynx, which secretes two hormones ({thyroxine} and {triiodothyronine}) that regulate the rates of growth and metabloism. In man and most mammals it is a highly vascular organ, partly surrounding the base of the larynx and the upper part of the trachea. Cases of hypothyroidism, where the gland is insufficiently active, can be treated by administration of thyroxine or a combination of thyroxine and triiodothyronine.

{Thyroid dislocation} (Surg.), dislocation of the thigh bone into the thyroid foramen.

{Thyroid foramen}, the obturator foramen. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • thyroid foramen — foramen thyroideum [TA] an inconstantly present opening in the upper part of the lamina of the thyroid cartilage, resulting from incomplete union of the fourth and fifth branchial cartilages …   Medical dictionary

  • Thyroid — Thy roid, a. [Gr. qyreoeidh s shield shaped; qyreo s a large, oblong shield (from qy ra a door) + e i^dos form: cf. F. thyro[ i]de, thyr[ e]o[ i]de.] 1. Shaped like an oblong shield; shield shaped; as, the thyroid cartilage. [1913 Webster] 2.… …   The Collaborative International Dictionary of English

  • Thyroid body — Thyroid Thy roid, a. [Gr. qyreoeidh s shield shaped; qyreo s a large, oblong shield (from qy ra a door) + e i^dos form: cf. F. thyro[ i]de, thyr[ e]o[ i]de.] 1. Shaped like an oblong shield; shield shaped; as, the thyroid cartilage. [1913… …   The Collaborative International Dictionary of English

  • Thyroid cartilage — Thyroid Thy roid, a. [Gr. qyreoeidh s shield shaped; qyreo s a large, oblong shield (from qy ra a door) + e i^dos form: cf. F. thyro[ i]de, thyr[ e]o[ i]de.] 1. Shaped like an oblong shield; shield shaped; as, the thyroid cartilage. [1913… …   The Collaborative International Dictionary of English

  • Thyroid dislocation — Thyroid Thy roid, a. [Gr. qyreoeidh s shield shaped; qyreo s a large, oblong shield (from qy ra a door) + e i^dos form: cf. F. thyro[ i]de, thyr[ e]o[ i]de.] 1. Shaped like an oblong shield; shield shaped; as, the thyroid cartilage. [1913… …   The Collaborative International Dictionary of English

  • Thyroid gland — Thyroid Thy roid, a. [Gr. qyreoeidh s shield shaped; qyreo s a large, oblong shield (from qy ra a door) + e i^dos form: cf. F. thyro[ i]de, thyr[ e]o[ i]de.] 1. Shaped like an oblong shield; shield shaped; as, the thyroid cartilage. [1913… …   The Collaborative International Dictionary of English

  • foramen cecum — foramen ce·cum sē kəm n a shallow depression in the posterior dorsal midline of the tongue that is the remnant of the more cranial part of the embryonic duct from which the thyroid gland developed …   Medical dictionary

  • Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …   Medical dictionary

  • Thyroid — Infobox Anatomy Name = Thyroid Latin = glandula thyroidea GraySubject = 272 GrayPage = 1269 Caption = Endocrine system Caption2 = Thyroid and parathyroid. Precursor = 4th Branchial pouch System = endocinal jubachina system Artery = superior… …   Wikipedia

  • Thyroid — Schilddrüse und Nebenschilddrüsen beim Menschen Die Schilddrüse (lat. Glandula thyr(e)oidea) ist eine Hormondrüse bei den Wirbeltieren. Sie befindet sich bei Säugetieren am Hals unterhalb des Kehlkopfes vor der Luftröhre. Beim Menschen hat sie… …   Deutsch Wikipedia

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