spicule A non-articulated cuticular projection, directly continuous with the cuticula. Spicules are named by nouns. The common types which occur in mosquitoes include: aciculae, aculeae, blades, dendrites, denticles, echinoids, filaments, microtrichia, serrations, setiforms, spines, spinules, spurs, teeth and villi. Spurs and some filaments and blades are movable, i.e., they have a ring of unsclerotized cuticle at the base. TGMA:0001362 TGMA:0001362 default_namespace hair seta spine cuticular projection