apodeme


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apodeme

[′ap·ə‚dēm]
(invertebrate zoology)
An internal ridge or process on an arthropod exoskeleton to which organs and muscles attach.
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References in periodicals archive ?
I support Lane's original assignment, because sexermis shows several cheirurinine features including a characteristic morphology of the first pleural lobe, the apodemes, and the fulcrum.
Claws that are long relative to their height have high tip velocity per unit distance contracted by the muscle attached to the apodeme, but low mechanical advantage.
Phallosome apodeme long, slender, distally dilated and divided in two arms apically pointed, each directed laterally and ending in a round membranous area (Fig.
Apodeme 4 (ap4) meeting medially; paragenital seta (pr) messed to genital disc (gdi3); gnathosomal distal fork separated from basal joint.
Genitalia of male with small dorsal apodeme, median genital sac not visible in material examined; genitalia of female with large gonosac which is covered with scattered pores.
Additional characters of the male genitalia: Aedeagus with slender and rounded socle in ventral view, stem short with a flat and lightly expanded process cephalad on dorsal surface and a ventrally curved sharp apical process; dorsal apodeme little pronounced; round apical gonopore on ventral surface; phragma bearing a pair of short membranous rounded-leaf-like processes, with small slightly sclerotized areas at base with microsetae on anterior margin and microteeth on the opposite margin (Fig.
On the anteromedial side the membranous wall of both the medial diverticula is folded-over, forming a longitudinal fold running from the distal end of the lateral apodeme right up to the proximal part of the same (Fig.
Size of central region versus apodeme region of endophallic plates: ORDERED 0.
In hipinnate muscles, twice as many muscle fibers attach per unit area of apodeme (the crustacean tendon) because they attach on both sides.
5) with apodeme and venula Vf as long as pleura II; anterior margin notched and sclerotized medially.