an internal support system in the echinoderms and most vertebrates that may include a framework of bones and cartilage that serves as a point of attachment for muscle.
Gr. endon: within + skleros: hard] • A skeleton covered by other, soft body tissues. (Contrast with exoskeleton.)
An interior skeleton found in vertebrates made of bone and cartilage.
supporting structure (e.g. bones ) on the inside of the body. Fish, amphibians, reptiles, birds, and mammals have endoskeletons.
the internal skeleton; bony and cartilaginous structure (especially of vertebrates)
an internal braced framework
The internal structure or skeleton of an invertebrate
A skeleton that's inside the body (like your skeleton).
internal supporting bone framework of vertebrates
An endoskeleton is an internal support structure of an animal. In three phyla and one subclass of animals, endoskeletons of various complexity are found: Chordata, Echinodermata, Porifera and Coleoidea. An endoskeleton allows the body to move and gives the body structure and shape.