Answer: ossein

AnswerCrossword Clue
OSSEINChief organic basis of bone tissue.
OSSEINChief substance of bone tissue.
OSSEINOrganic basis of bone.
OSSEINBone's basis
OSSEINBone substance used in making gelatin
OSSEINBone substance
osseinthe collagen of bone, remaining after the mineral matter has been removed by treatment with dilute acid
osseina protein substance in the bone