Fig. 17From: On springtails (Hexapoda: Collembola): a morphofunctional study of the jumping apparatusSchematic view of the functioning of the jumping apparatus in Orchesella cincta. A Internal side view (flexed furca); the dashed line forming a circle shows the retinaculum attached to the dens lock. B Internal side view (extended furca). The arrows show the direction of the muscle fibers. Dvm dorsoventral muscles; llm lateral longitudinal muscles; isllm intersegmental laterolongitudinal muscles; isdlm intersegmental dorsolongitudinal muscles; dlm dorsal longitudinal musclesBack to article page