Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «W»:
Wesil: See: Weasand....
West Nile encephalitis
West Nile encephalitis: A febrile disease caused by the West Nile virus that is transmitted from birds to the common Culex mosquito and then to people. The virus is named after the area it was first found in Uganda.
West Nile fever occurs in parts of Africa and Asia and, infrequently, in Southern E...
West Nile fever
West Nile fever: A febrile disease caused by the West Nile virus that is transmitted from birds to the common Culex mosquito and then to people. The virus is named after the area it was first found in Uganda.
West Nile fever occurs in parts of Africa and Asia and, infrequently, in Southern Europe an...
West Nile virus
West Nile virus: The mosquito-borne virus that causes West Nile fever. One of the flaviviruses, a family of viruses also responsible for dengue, yellow fever, and tick-borne encephalitis virus. Like the other flaviviruses, the West Nile virus is a positive-strand RNA virus containing three structur...
West syndrome: Infantile spasms, a seizure disorder of infancy and early childhood with the onset predominantly in the first year of life of myoclonic seizures, hypsarrhythmia (abnormal, chaotic electroencephalogram), and mental retardation. The spasms are sudden, brief contractions of one or more m...
Western blot: A technique in molecular biology, used
to separate and identify proteins.
Called a Western blot merely because it has some similarity to a Southern blot (which is named after its inventor, the British biologist M.E. Southern). There is also a Northern blot....
Western medicine: Conventional medicine, as distinct for instance from traditional Chinese medicine....
Wet brain: See: Cerebral edema....
Wet lung: See: ARDS....
Wet market: A live animal market, a common sight in many areas of the world and a source of influenza viruses and other infectious disease agents for human beings. SARS outbreaks have been traced to wet markets in southern China.
Wet markets sell live poultry, fish, reptiles, and mammals of every ki...
Wezand: See: Weasand....
WF: Abbreviation for "white female" used by doctors as
shorthand when jotting down the results of their physical examination.
For example, a WDWNWF = well developed, well nourished white
female; WDWNBF = well developed, well nourished black female; WDWNWM
= well developed, well nourished white ma...
WFS1: A gene on the short (p)
arm of chromosome 4 in band 4p16 that encodes (provides the instructions for) a protein called wolframin. Mutations in WFS1 are associated with Wolfram syndrome and with nonsyndromic deafness (hearing loss without related signs and symptoms affecting other parts of the...
Wharton's jelly: A gelatinous substance within the umbilical cord. Wharton's jelly is a rich source of stem cells. Named for the English physician and anatomist Thomas Wharton (1614 -1673) who first described it....
Wheal: A raised, itchy (pruritic) area of skin that is almost always an overt sign of allergy.
Not all wheals are alike. They may be redder or paler than the skin around them. They may vary in configuration and may be rounded or flat-topped. Wheals typically have a reddish hue. They characteristical...