The organic matrix of developing tibia and femur, and macromolecular deliberations.
D000818:Animals; D002642:Chick Embryo; D005269:Femur / Q000166:cytology / Q000196:embryology*; D008854:Microscopy, Electron; D008867:Microtomy; D013977:Tibia / Q000166:cytology / Q000196:embryology*