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.
Rentokil Pest Control confirm it's a Wolf Spider, which are venomous with a painful bite but not lethal. Australia enjoys the company of more than 400 sub-species of Wolf Spider. The internet has reacted with horror after a photo went viral of a massive spider and hundreds of baby spiders nestled on a Queensland electricity meter. 'Time to burn down and rebuild,' reasoned Duke Cruise.