tuber

(redirected from tuber coxae, coxal tuber)
Also found in: Dictionary, Thesaurus, Encyclopedia.

tuber

 [too´ber]
1. a swelling or protuberance; see also tubercle and tuberosity.
2. the essential lesion of tuberous sclerosis, a pale, firm, nodular glial hamartomatous brain lesion that sometimes becomes calcified; it develops predominantly in the cerebral hemispheres, cerebellum, medulla, and spinal cord.
tuber cine´reum an area of the undersurface of the forebrain to which the stalk of the pituitary gland is attached.

tu·ber

, pl.

tu·ber·a

(tū'bĕr, too'ber-ă),
1. A localized swelling; a knob.
2. A short, fleshy, thick, underground stem of plants, such as the potato.
[L. protuberance, swelling]

tuber

An enlarged tip of a rhizome or a fleshy outgrowth, which stores nutrients.

Edible tubers
Stem tubers (potato); tuberous roots (sweet potato, cassava, yam, dahlia).

tu·ber

, pl. tubera (tū'bĕr, -ă)
1. A localized swelling; a knob.
2. A short, fleshy, thick, underground stem of plants, such as the potato.
[L. protuberance, swelling]

tuber

an enlarged underground root or stem containing PARENCHYMA cells packed with STARCH for overwintering. The best known example is the stem tuber of potato which has buds in the axils of tiny leaves (forming the potato ‘eyes’). Root tubers often have a finger-like branched structure, as in the lesser celandine, Ranunculus ficaria.