chondrigen

from The Collaborative International Dictionary of English v.0.48

Chondrigen \Chon"dri*gen\, n. [Gr. cho`ndros cartilage + -gen.]
   (Physiol. Chem.)
   The chemical basis of cartilage, converted by long boiling in
   water into a gelatinous body called chondrin.
   [1913 Webster]