| AHT | aggregation half time; antihyaluronidase titer; augmented histamine test; autogenous hamster tumor |
|---|---|
| H2 | blockers histamine blockers |
| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
| HAP | Handicapped Aid Program; Hazardous Air Pollutants [List]; hazardous air pollution; health alliance p... |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
| histamine n-methyltransferase | <enzyme> An enzyme that catalyses the transfer of a methyl group from s-adenosylmethionine to histamine, forming n-methylhistamine, the major metabolite of histamine in man. Chemical name: S-Adenosyl-L-methionine:histamine N-tele-methyltransferase Registry number: EC 2.1.1.8 (12 Dec 1998) |
|---|---|
| histamine release | The secretion of histamine from mast cell and basophil granules by exocytosis. This can be initiated by a number of factors, all of which involve binding of IgE, cross-linked by antigen, to the mast cell or basophil's fc receptors. Once released, histamine binds to a number of different target cell receptors and exerts a wide variety of effects. (12 Dec 1998) |
| histamine shock | The shock state produced in animals by the injection of histamine; characterised by bronchiolar spasm in the guinea pig and constriction of hepatic veins in the dog. (05 Mar 2000) |
| histamine test | A test for maximal production of gastric acidity or anacidity; after preliminary administration of an antihistamine, histamine acid phosphate is injected subcutaneously in a dose of 0.04 mg/kg of body weight, followed by analysis of gastric contents. Synonym: augmented histamine test. (05 Mar 2000) |
| amber fish | <zoology> A fish of the southern Atlantic coast (Seriola Carolinensis) Source: Websters Dictionary (01 Mar 1998) |
| anadromous fish | Anadromous fish means fish which spawn in fresh water and spend a portion of their lives in the ocean. (09 Oct 1997) |
| angel fish | See Angel. Source: Websters Dictionary (01 Mar 1998) |
| archer fish | <zoology> A small fish (Toxotes jaculator), of the East Indies; so called from its ejecting drops of water from its mouth at its prey. The name is also applied to Chaetodon rostratus. Source: Websters Dictionary (01 Mar 1998) |
| balloon fish | <zoology> A fish of the genus Diodon or the genus Tetraodon, having the power of distending its body by taking air or water into its dilatable oesophagus. See Globefish, and Bur fish. Source: Websters Dictionary (01 Mar 1998) |
| band fish | <zoology> A small red fish of the genus Cepola; the ribbon fish. Source: Websters Dictionary (01 Mar 1998) |
| barber fish | <zoology> See Surgeon fish. Source: Websters Dictionary (01 Mar 1998) |
| bellows fish | <zoology> A European fish (Centriscus scolopax), distinguished by a long tubular snout, like the pipe of a bellows. Synonym: trumpet fish, and snipe fish. Source: Websters Dictionary (01 Mar 1998) |
| bur fish | <zoology> A spinose, plectognath fish of the Allantic coast of the United States (especially. Chilo mycterus geometricus) having the power of distending its body with water or air, so as to resemble a chestnut bur. Synonym: ball fish, balloon fish, and swellfish. Source: Websters Dictionary (01 Mar 1998) |
| vegetative fish cover | <ecology> Vegetation materials, such as algal mats and organic debris, capable of providing protection for fish and other aquatic organisms. (06 Mar 2000) |
| margate fish | <zoology> A sparoid fish (Diabasis aurolineatus) of the Gulf of Mexico, esteemed as a food fish. Synonym: red-mouth grunt. Source: Websters Dictionary (01 Mar 1998) |