Thymus gland, or Thymus body, a ductless gland in the throat, or in the neighboring region, of nearly all vertebrates. In man and other mammals it is the throat, or neck, sweetbread, which lies in the upper part of the thorax and lower part of the throat. It is largest in fetal and early life, and disappears or becomes rudimentary in the adult.

(Thym"y) a. Abounding with thyme; fragrant; as, a thymy vale. Akenside.

Where'er a thymy bank he found,
He rolled upon the fragrant ground.

(Thy"ro-) A combining form used in anatomy to indicate connection with, or relation to, the thyroid body or the thyroid cartilage; as, thyrohyal.

(Thy`ro*a*ryt"e*noid) a. (Anat.) Of or pertaining to both the thyroid and arytenoid cartilages of the larynx.

(Thy`ro*hy"al) n. (Anat.) One of the lower segments in the hyoid arch, often consolidated with the body of the hyoid bone and forming one of its great horns, as in man.

(Thy`ro*hy"oid) a. (Anat.) Of or pertaining to the thyroid cartilage of the larynx and the hyoid arch.

(Thy"roid) a. [Gr. shield-shaped; a large, oblong shield (from a door) + form: cf. F. thyroïde, thyréoïde.]

1. Shaped like an oblong shield; shield-shaped; as, the thyroid cartilage.

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

Thyroid cartilage. See under Larynx. - - Thyroid body, or Thyroid gland(Anat.), a glandlike but ductless body, or pair of bodies, of unknown function, in the floor of the mouth or the region of the larynx. 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.Thyroid dislocation(Surg.), dislocation of the thigh bone into the thyroid foramen.Thyroid foramen, the obturator foramen.

(Thym"ic) a. (Anat.) Of or pertaining to the thymus gland.

(Thy"mic) a. (Med. Chem.) Pertaining to, or derived from, thyme; as, thymic acid.

(Thym"ol) n. [Thyme + -ol.] (Chem.) A phenol derivative of cymene, C10H13.OH, isomeric with carvacrol, found in oil of thyme, and extracted as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties; — called also hydroxy cymene.

(||Thy"mus) a. [NL., fr. Gr. qy`mos.] (Anat.) Of, pertaining to, or designating, the thymus gland.n. The thymus gland.

  By PanEris using Melati.

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