part of tarsus foot slit suture spider_anatomy A ventral unsclerotized suture ventrally on the tarsus tip, uniting the foot slits from both sides. The suture seemingly provides room for cuticle deformation upon stress, and thus increased sensitivity on the slit sensilla. Martin Ramirez SPD:0000485 claw slit suture 2009-08-09T08:25:33Z ventral articular membrane