1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
THYROID (Gr. OvpoeiSris, shield-shaped, from Ovpdts, a large oblong shield, shaped like a door, 6vpa, and «?Sos, form), in anatomy, a term applied (i) to the largest of the cartilages of the larynx (see RESPikATORY SYSTEM), (2) to one of two arteries which lie near the thyroid cartilage and gland (see ARTERIES), and (3) to a vascular ductless gland, which rests on the larynx and upper part of the trachea (see DUCTLESS GLANDS). The thyroid gland is used in medicine in two forms. Thyroideum siccum is a light dull bro…
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- Vol. 26, pp. 905-905