- A cuticular, usually calcified invagination upon which muscles insert and which, itself, inserts by means of tough flexible cuticle onto that part of the skeleton which is moved by its muscles (Figs. 12, 13) [Warner, 1977].Any cuticular ingrowth of body wall [Williams, 1984].Infold of exoskeleton for attachment of muscles [McLaughlin, 1980].Infold of exoskeleton serving for attachment of muscles [Moore and McCormick, 1969].(Order Decapoda):Any one of numerous infolds of exoskeleton serving for attachment of muscles (e.g., head apodeme). May be highly developed as endopleurites and endosternites to form endoskeleton [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.