scleroskeleton

from The Collaborative International Dictionary of English v.0.48

Scleroskeleton \Scle`ro*skel"e*ton\, n. [Gr. sklhro`s hard + E.
   skeleton.] (Anat.)
   That part of the skeleton which is developed in tendons,
   ligaments, and aponeuroses.
   [1913 Webster]