Figures 3.2
Figures 3.2. Muscle attachments to body wall:
(a) tonofibrillae traversing the epidermis from the muscle to the cuticle; (b) a muscle attachment in an adult beetle of Chrysobothrus femorata (Coleoptera: Buprestidae); (c) a multicellular apodeme with a muscle attached to one of its thread-like, cuticular “tendons” or apophyses. (After Snodgrass 1935)