Canadian Medical Guide > Organisms > Animals > Invertebrates > Arthropods > Arachnida > Spiders Terms and Definitions




Spiders

Medical Definition: Arthropods of the class ARACHNIDA, order Araneae. Except for mites and ticks, spiders constitute the largest order of arachnids, with approximately 37,000 species having been described. The majority of spiders are harmless, although some species can be regarded as moderately harmful since their bites can lead to quite severe local symptoms. (From Barnes, Invertebrate Zoology, 5th ed, p508; Smith, Insects and Other Arthropods of Medical Importance, 1973, pp424-430)
Guide Notes: /microbiol /parasitol /virol permitted; spider bites = ARACHNIDISM; several venomous genera: Latrodectus (BLACK WIDOW SPIDER), Loxosceles (brown recluse), Tarantula
Spiders Categories.
Canadian Medical Guide Definition Black Widow Spider - A venomous New World spider with an hourglass-shaped red mark on the abdomen.

Spiders Medical Definitions and Terms

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