Medical Dictionary - Letter: w

Term	Definition	Pronunciation
W	watt
W/U	workup
w/v.	weight in volume
wart	Benign epidermal growth.
WBC	white blood cell; white blood count
WD	well-developed
weal	A bump raised on the skin caused by a lash or blow.
weaning	The replacement of mother's milk in the diet of a young child with other food.
wheal	A small swelling on the skin, as from an insect bite, that usually itches	hwēl
wheeze	Adventitious lung sounds that are continuous with a musical quality. They can be high or low pitched.
whey	The liquid components of milk that remain after the casein, fat, and fat soluble components have been removed.
white coat hypertension	Phenomenon where blood pressure readings are elevated only when taken in clinical settings.
white matter	The region of central nervous system that appears lighter in color than the other type, gray matter. it mainly consists of myelinated nerve fibers and contains few neuronal cell bodies or dendrites.
WHO	World Health Organization
whooping cough	A respiratory infection caused by Bordetella pertussis and characterized by paroxysmal coughing ending in a prolonged crowing intake of breath.
WN	well-nourished
WNL	within normal limits
WOP	without pain
WPW	Wolff-Parkinson-White syndrome