Part 162

NO´THA, a. Spurious. By ala notha has been meant the scapular, axillar, and tertiary feathers collectively, which are also called parapterum.

NO´TOCHORD, n. Primitive condition of the backbone.

NU´CHA, n. Nape; upper part of cervix, next to occiput. (49.)

NU´CHAL, a. Pertaining to the nape.

NU´CLEATED, a. Containing a special cell or cells.

NUCLEO´LUS, n. Cell or point within a nucleus.

NU´CLEUS, n. Special cell within another.

NU´TRIENT, a. Nourishing; nutritious.

NUTRI´TION, n. Repair of waste that ensues by decomposition in animal life, and promotion of growth, with supply of new assimilable material. Alimentation is the act of supply; aliment or nutriment the supply; nutrition the result of its assimilation.

OARED (foot), a. Having the hind toe, as well as the others, full-webbed. See STEGANOPODOUS. (140.)

OBCOR´DATE, a. Inversely heart-shaped.

OBLIQUE´, a. Indirect; aslant. Also, name of certain abdominal muscles.

OB´LONG, a. Longer than broad.

OBO´VATE, a. Inversely ovate.

OBSCURE´, a. Dark; not evident; little known; faintly marked.

OB´SOLETE, a. Disused; little used. Also, synonymous with obscure, as obsolete spots; also, synonymous with imperfect or rudimentary: the hind toe of the petrel is obsolete.

OBTURA´TOR, n. A muscle, membrane, and foramen of the pelvis are respectively so called.

OBTUSE´, a. Blunt. Opposed to acute.

OCCIP´ITAL, a. or n. Pertaining to the hind-head; as, occipital bone, occipital region.

OC´CIPUT, n. The hind head. (33.)

OCEL´LUS, n. (Literally “little eye.”) Distinct rounded spot of color, like the “eyes” of a peacock’s tail.

OCH´REY, OCH´REOUS, a. Color of yellow ochre.

OC´REATE, a. Booted. See BOOT and CALIGULA.

OC´ULO-MO´TOR, n. A nerve of the eye-muscles.

OC´ULUS, n. Eye. (The adjective ocular being applied chiefly to processes and results of sight, much like visual, rather than to physical attributes, the word orbital is used for the latter instead.)

ODON´TOID (process), a. A part of the axis (second cervical vertebra) is so called.

ŒSOPH´AGUS, n. Gullet; tube conveying food from mouth to stomach.

OLEC´RANON, n. Upper back part of the ulna, not prominent in birds.