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Medical Definition of Loxosceles
1. A genus of venomous spiders, the brown spiders, marked by a fiddle-shaped pattern on the cephalothorax, and found chiefly in South America. They inflict a highly ulcerative, spreading dermal lesion at the site of the bite (loxoscelism). Important species include Loxosceles laeta, the Chilean brown spider; Loxosceles reclusus, the brown spider of North America; and Loxosceles rufipes, the Peruvian brown spider. Origin: G. Loxos, oblique, + skelos, leg (05 Mar 2000)
Lexicographical Neighbors of Loxosceles
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