Ul´nar, Ul-na´ris. Relating to the ulna.

U´ric. [Gr. ουρον, ouron, urine.] An acid contained in urine, and in gouty concretions.

U-ve´a. [L. uva, a grape.] Resembling grapes. A thin membrane of the eye.

U´vu-la. A soft body, suspended from the palate, near the aperture of the nostrils, over the glottis.

Vac´cine Vi´rus. [L. vacca, a cow, virus, poison.] Pertaining to cows; derived from cows.

Valve. Any membrane, or doubling of any membrane, which prevents fluids from flowing back in the vessels and canals of the animal body.

Val´vu-la, -æ. A valve.

Vas´cu-lar. [L. vasculum, a vessel.] Pertaining to vessels; abounding in vessels.

Vas´tus. [L.] Great, vast. Applied to some large muscles.

Veins. Vessels that convey blood to the heart.