| limu | <botany> The Hawaiian name for seaweeds. Over sixty kinds are used as food, and have species names, as Limu Lipoa, Limu palawai, etc. Source: Websters Dictionary (01 Mar 1998) |
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| limule | <zoology> A limulus. Source: Websters Dictionary (01 Mar 1998) |
| limuloidea | <zoology> An order of Merostomata, including among living animals the genus Limulus, with various allied fossil genera, mostly of the Carboniferous period. Synonym: Xiphosura. There are six pairs of leglike organs, surrounding the mouth, most of which terminate in claws; those of the first pair (probably mandibles) are the smallest; the others have the basal joints thickened and spinose, to serve as jaws, while the terminal joints serve as legs. This group is intermediate, in some characteristics, between crustaceans and certain arachnids (scorpions), but the respiration is by means of lamellate gills borne upon the five posterior abdominal appendages, which are flat and united in pairs by their inner edges, and are protected by the lidlike anterior pair, which also bear the genital orifices. Origin: NL. See Limulus, and -oid. Source: Websters Dictionary (01 Mar 1998) |
| limulus | <zoology> The only existing genus of Merostomata. It includes only a few species from the East Indies, and one (Limulus polyphemus) from the Atlantic coast of North America. Synonym: Molucca crab, king crab, horseshoe crab, and horsefoot. (04 Mar 1998) |
| limulus lysate test | A test for the rapid detection of Gram-negative bacterial meningitis; Gram-negative endotoxin induces gel formation of Limulus polyphemus (horseshoe crab) lysates. (05 Mar 2000) |
| Limulus polyphemus | <marine biology, zoology> Now renamed Xiphosura, though Limulus is still in common usage as a name. The king crab or horseshoe crab, found on the Atlantic coast of North America. It is more closely related to the arachnids than the crustacea and horseshoe crabs are the only surviving representatives of the subclass Xiphosura. Its compound eyes have been widely used in studies on visual systems, but it is probably better known from the Limulus amoebocyte lysate LAL) test, LAL is very sensitive to small amounts of endotoxin, clotting rapidly to form a gel and the test is used clinically to test for septicaemia. (04 Mar 1998) |
| limulus test | Sensitive method for detection of bacterial endotoxins and endotoxin-like substances that depends on the in vitro gelation of limulus amebocyte lysate (lal), prepared from the circulating blood (amebocytes) of the horseshoe crab, by the endotoxin or related compound. Used for detection of endotoxin in body fluids and parenteral pharmaceuticals. (12 Dec 1998) |
Synonyms : Limulus Tests, Test, Limulus, Tests, Limulus
| limulus amebocyte lysate test |
ABBR: LAL test. A test used to detect minute quantities of bacterial endotoxins and to test for pyrogens in various materials; it is also used to detect septicemia due to gram-negative bacteria. Limulus amebocyte l
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| limulus t. |
an extract of blood cells from the horseshoe crab (Limulus polyphemus) is exposed to a blood sample from a patient; if gram-negative endotoxin is present in the sample, it will produce gelation of the extract of blood cells.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| limu | horseshoe crabs |
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| limu | type genus of the family Limulidae |
| limu | large marine arthropod of the American Atlantic coast having a domed horseshoe-shaped carapace and stiff pointed tail |
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