ENDOSKELETON

n. Ean-do-skere2t-usn. From ivSov, within (see also SKELETON). That form of skeleton consisting of connective ti ue, bone, and cartilage, which forms an internal support to the body. [L, 121.] Cf. EXOSKELETON and DERMOSKELETON. Appendicular e. The e. of the limbs. [L, 121.] Axial e. The e. of the head and trunk. [L, 121.] Fibrous e. 1. The fibrous supporting substance within the body of many invertebrates. 2. The membranous matrix of the skeleton in developing vertebrates. [J. 1, 30, 89, 96, 121.] Spicular e. The hard supporting substance in the form of spicules found within the substance of many invertebrates. [J, 90, 96, 121.] ENDOSKOP (Ger.), [s. 706]