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| Late teleosts | Mammals | |
|---|---|---|
| Bone marrow in contact with bone | No | Yes |
| Osteocytes | No | Yes |
| Osteoclasts | Monocytic | Multinucleated |
| Bone remodeling | Minimal | Continuous and regulated to maintain bone strength and calcium homeostasis |
| Bone modeling | Life long | Life long |
| General bone structure | Solid | Hollow and adaptive to loading |
