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 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.

Look at other dictionaries:

  • thyroid body — thyroid body, = thyroid gland. (Cf. ↑thyroid gland) …   Useful english dictionary

  • thyroid body — glandula thyroidea …   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 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 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… …   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

  • Thyroid epithelial cell — Thyroid epithelial cells (also called follicular cells or principal cells) are cells in the thyroid gland that produce and secrete thyroxine (T4) and triiodothyronine (T3). The main function of the thyroid gland is to take iodine, found in many… …   Wikipedia

  • thyroid — UK [ˈθaɪrɔɪd] / US [ˈθaɪˌrɔɪd] or thyroid gland UK / US noun [countable] Word forms thyroid : singular thyroid plural thyroids Word forms thyroid gland : singular thyroid gland plural thyroid glands medical an organ in your neck that produces… …   English dictionary

  • thyroid gland — thyroid UK [ˈθaɪrɔɪd] / US [ˈθaɪˌrɔɪd] or thyroid gland UK / US noun [countable] Word forms thyroid : singular thyroid plural thyroids Word forms thyroid gland : singular thyroid gland plural thyroid glands medical an organ in your neck that… …   English dictionary

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