The endosquelette , in opposition to a Exosquelette, is a Squelette intern with the body. The Métazoaire S count various types of endosquelette: thus, the Spongiaire S have a endosquelette made up of spicules Calcaire S or Silice ux; the Vertébré S have a calcareous endosquelette made up of Os.

Simple: Endoskeleton