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One of the ribs or nervures of the wings of insects. See Venation.

witch; to cause to twitch convulsively. Convulsions, arising from something vellicating a nerve in its extremity, are not very dangerous. Arbuthnot.

its parts; hemal; abdominal; as, the ventral fin of a fish; the ventral root of a spinal nerve; -- opposed to Ant: dorsal.

rm or structure of a vesicle; as, a vesicular body. Vesicular column (Anat.), a series of nerve cells forming one of the tracts distinguished in the spinal; -- also called the ganglionic column. -- Vesicular emphysema (Med.), emphysema of the lungs, in which the air vesicles are distended and their walls ruptured. --…

silarchia, or Limenitis, archippus). Its wings are orange-red, with black lines along the nervures and a row of white spots along the outer margins. The larvæ feed on willow, poplar, and apple trees.

ult of the stimulating action of light on the sensitive retina, an expansion of the optic nerve.

r pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve. The air, Nowhere so clear, sharpened his visual ray. Milton.

Belonging or relating to life, either animal or vegetable; as, vital energies; vital functions; vital actions.

A form of degeneration occurring in nerve fibers as a result of their division; -- so called from Dr. Waller, who published an account of it in 1850.

A goddess of any stream or other body of water, whether one of the Naiads, Nereids, or Oceanides.

nt. See Blackmail, n., 3. (b) A rent, or duty, of eight pence, payable yearly by every tinner in Devon and Cornwall to the Duke of Cornwall, as lord of the soil. [Prov. Eng.] -- White rhinoceros. (Zoöl.) (a) The one-horned, or Indian, rhinoceros (Rhinoceros Indicus). See Rhinoceros. (b) The umhofo. -- White ribbon, th…

broad, fanlike organs formed of a double membrane and strengthened by chitinous veins or nervures.

ng occupying one; business; duty; as, to take up one's work; to drop one's work. Come on, Nerissa; I have work in hand That you yet know not of. Shak. In every work that he began . . . he did it with all his heart, and prospered. 2 Chron. xxxi. 21.

efully contemptible; despicable; wicked. [Obs.] "Wretched ungratefulness." Sir P. Sidney. Nero reigned after this Claudius, of all men wretchedest, ready to all manner [of] vices. Capgrave.

ine substance. It was formerly used as a remedy for diarrhoea. Called also conessine, and neriine.

ly alternating movements of flexion and extension of the wrist, produced in some cases of nervous disease by suddenly bending the hand back upon the forearm. -- Wrist drop (Med.), paralysis of the extensor muscles of the hand, affecting the hand so that when an attempt is made to hold it out in line with the forearm w…