Medical Definition of ARTHRODESIS. : the surgical immobilization of a joint so that the bones grow solidly together: artificial ankylosis. the surgical immobilization of a joint so that the bones grow solidly together. ADVERTISEMENT.
Trapdoor spiders are not particularly harmful to man however, like Tarantulas, the tiny hairs on the legs of some species leave tiny red marks where the toothed hairs on the spiders' feet have clung to the skin. Mouse spiders are also a type of Trapdoor spider with huge chelicerae and may measure up to 35mm in body length.
Buy Traps! To use the traps most effectively for brown recluse spiders, place traps in closets or other secluded areas where you have seen spiders and/or webs. Brown Recluse spiders are known for their reclusive nature and avoid humans.However, despite their reclusive nature, they do bite humans.uy Traps! To use the traps most effectively for brown recluse spiders, place traps in closets or other secluded areas where you have seen spiders and/or webs. Brown Recluse spiders are known for their reclusive nature and avoid humans.