| LMV | larva migrans visceralis |
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| VLM | visceral larva migrans |
| VLM | Visceral Larva migrans |
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| L(3) | larva |
visceral lesion (³»Àå º´¼Ò
| loeven's larva | <zoology> The peculiar larva of Polygordius. See Polygordius. Origin: Named after the Swedish zoologist, S. F. Loven, who discovered it. Source: Websters Dictionary (01 Mar 1998) |
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| visceral larva migrans | A disease, chiefly of children, caused by ingestion of infective ova of Toxocara canis, less commonly by other ascarid nematodes not adapted to humans, whose larvae hatch in the intestine, penetrate the gut wall, and wander in the viscera (chiefly the liver) for periods of up to 18 or 24 months; may be asymptomatic or may be marked by hepatomegaly (with granulomatous lesions caused by encapsulated larvae in the enlarged liver), pulmonary infiltration, fever, cough, hyperglobulinaemia, and sustained high eosinophilia. (05 Mar 2000) |
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| rhabditiform larva | Early developmental larval stages (first and second) of soil-borne nematodes such as Necator, Ancylostoma, and Strongyloides, which precede the infectious third-stage filariform larva. (05 Mar 2000) |
| cutaneous larva migrans | <dermatology, microbiology> Also called creeping eruption. This condition results from infection of the human skin by the larvae of the dog and cat hookworm, A. Brasiliense. The result is a red, raised, tunnel on the surface of the skin. Severe itching is common. Beaches and other moist sandy areas are common locations for infection. Thiabendazole is the drug of choice. (13 Nov 1997) |
| spiruroid larva migrans | Extraintestinal migration by nematode larvae of the order Spiruroidea, not adapted to maturation in the human intestine; caused chiefly by species of Gnathostoma spinigerum and G. Hispidum in Japan and Thailand, following ingestion of uncooked fish infected with encapsulated third-stage infective larvae, and possibly by ingestion of infected copepods (the first intermediate host) in contaminated drinking water; the anteriorly spined larvae produce serpiginous tunnels in the skin or may cause subcutaneous or pulmonary abscess, or may invade the eye or brain. (05 Mar 2000) |
| ocular larva migrans | Visceral larva migrans involving the eyes, primarily of older children; clinical symptoms include decreased visual acuity and strabismus. (05 Mar 2000) |
| filariform larva | Infective third-stage larva of the hookworm, Ascaris, and other nematodes with penetrating larvae or with larvae that migrate through the body to reach the intestine. (05 Mar 2000) |
| larva | Origin: L. Larva ghost, specter, mask. 1. <zoology> Any young insect from the time that it hatches from the egg until it becomes a pupa, or chrysalis. During this time it usually molts several times, and may change its form or colour each time. The larvae of many insects are much like the adults in form and habits, but have no trace of wings, the rudimentary wings appearing only in the pupa stage. In other groups of insects the larvae are totally unlike the parents in structure and habits, and are called caterpillars, grubs, maggots, etc. 2. <zoology> The early, immature form of any animal when more or less of a metamorphosis takes place, before the assumption of the mature shape. Source: Websters Dictionary (01 Mar 1998) |
| larva currens | Cutaneous larva migrans caused by rapidly moving larvae of Strongyloides stercoralis (up to 10 cm/hr), typically extending from the anal area down the upper thighs and observed as a rapidly progressing linear urticarial trail; may also be caused by zoonotic species of Strongyloides. Origin: L. Larva, mask + currens, racing (05 Mar 2000) |
| larva migrans | Infections caused by nematode larvae which never develop into the adult stage and migrate through various body tissues. They commonly infect the skin, eyes, and viscera in man. Ancylostoma brasiliensis causes cutaneous larva migrans. Toxocara causes visceral larva migrans. (12 Dec 1998) |
| larva migrans, visceral | A condition produced in man by the prolonged migration of animal nematode larvae in extraintestinal tissues other than skin; characterised by persistent hypereosinophilia, hepatomegaly, and frequently pneumonitis, commonly caused by toxocara canis and toxocara cati. (12 Dec 1998) |
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