bone surface
- periosteumFibrous bone covering
- cortexOrgan's external tissue
- marrowSoft bone interior
- calciumElement twenty, builds bones
- smoothWithout roughness or difficulty
rough · porous · ridge · groove · texture · membrane · cartilage · joint · attachment · tendon · ligament · ossified · compact · spongy · trabecular · lamella · remodeling · osteoblast