Thyroid cartilage

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 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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Look at other dictionaries:

  • Thyroid cartilage — Infobox Anatomy Name = PAGENAME Latin = cartilago thyroidea GraySubject = 236 GrayPage = 1073 Caption = The cartilages of the larynx. Caption2 = Precursor = 4th and 6th branchial arch System = Artery = Vein = Nerve = Lymph = MeshName =… …   Wikipedia

  • Thyroid cartilage — The largest of the cartilages of the larynx (the voice box). The thyroid cartilage is formed of two approximately quadrilateral plates (called laminae) that are joined anteriorly (in the front) at an angle of from 90° to 120° to create a… …   Medical dictionary

  • thyroid cartilage — noun the largest cartilage of the larynx • Syn: ↑Adam s apple • Hypernyms: ↑cartilage, ↑gristle • Part Holonyms: ↑larynx, ↑voice box * * * noun …   Useful english dictionary

  • thyroid cartilage — the main cartilage of the larynx, consisting of two broad plates that join at the front to form a V shaped structure. The thyroid cartilage forms the Adam s apple in front of the larynx …   The new mediacal dictionary

  • thyroid cartilage — noun The largest cartilage in the larynx; the Adam’s apple …   Wiktionary

  • Oblique line of thyroid cartilage — The cartilages of the larynx. Oblique line labeled to the right. Latin linea obliqua cartilaginis thyroideae Gray s …   Wikipedia

  • Superior horn of thyroid cartilage — Infobox Anatomy Name = Superior horn of thyroid cartilage Latin = cornu superius cartilaginis thyroideae GraySubject = 236 GrayPage = 1074 Caption = The cartilages of the larynx. Posterior view. Caption2 = The ligaments of the larynx. Antero… …   Wikipedia

  • Inferior horn of thyroid cartilage — Infobox Anatomy Name = PAGENAME Latin = cornu inferius cartilaginis thyroideae GraySubject = 236 GrayPage = 1074 Caption = The cartilages of the larynx. Posterior view. Caption2 = The ligaments of the larynx. Antero lateral view. Precursor =… …   Wikipedia

  • 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

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