Triad - definition of triad by The Free Dictionary
1. a group of three, esp. of three closely related persons or things. 2. a. an element, atom, or group having a valence of three. b. a group of three closely related compounds or elements, as isomers or halides. 3. the basic chord of a musical tonality, …
Triad | definition of triad by Medical dictionary
1. an element with a valence of three. 2. a group of three similar bodies, or a complex composed of three items or units. acute compression triad Beck's triad. Andersen's triad Andersen's syndrome.
Portal triad | definition of portal triad by Medical dictionary
por·tal tri·ad. branches of the portal vein, hepatic artery, and the biliary ducts bound together in the perivascular fibrous capsule or portal tract as they ramify within the substance of the liver.
Virchow's triad | definition of Virchow's triad by Medical dictionary
A trilogy of clinical or pathologic findings, first described as typical for a particular disease but which often prove nonspecific. Sexology. Three people, two of one sex and one of the other, in a continuing relationship of emotional and sexual involvement; i.e., a …
TRIAD - What does TRIAD stand for? The Free Dictionary
Looking for online definition of TRIAD or what TRIAD stands for? TRIAD is listed in the World's most authoritative dictionary of abbreviations and acronyms.
Whipple's triad | definition of Whipple's triad by Medical dictionary
Whipple's triad Endocrinology A triad of features of an insulin-producing tumor: hypoglycemia < 50 mg/dL, CNS and/or vasomotor Sx, relief of Sx by administration of glucose. See Insulinoma.
Asthma triad | definition of asthma triad by Medical dictionary
A triad of symptoms associated with asthma: bronchospasm, nasal polyps, increased sensitivity to aspirin (acetylsalicylic acid—but not sodium salicylate), as well as other exogenous agents (e.g., indomethacin, aminopyrine, yellow food additives (tartrazine yellow, FD&C yellow #5)).
Virchow triad | definition of Virchow triad by Medical dictionary
Virchow triad ( fēr'kow ), functional triad concerned with the pathogenesis of thrombosis, following this order: 1. changes in the vessel wall; 2. changes in the pattern of blood (flow volume); and 3. changes in the constituents of blood (hypercoagulability).
Beck triad | definition of Beck triad by Medical dictionary
Beck's triad rising venous pressure, falling arterial pressure, and small quiet heart; characteristic of cardiac compression; called also acute compression triad.
Charcot triad | definition of Charcot triad by Medical dictionary
Charcot triad - (1) in multiple (disseminated) sclerosis, the three symptoms: nystagmus, tremor, and scanning speech; - (2) combination of jaundice, fever, and upper abdominal pain that occurs as a result of cholangitis.