| Rating | Solver | Clue |
|---|---|---|
| MARROW | Soft bone tissue | |
| OSTEOGEN | The soft tissue, or substance, which, in developing bone, ultimately undergoes ossification. | |
| OSSIFY | To become bone; to change from a soft tissue to a hard bony tissue. | |
| LIGAMENT | Bone-connecting tissue | |
| TENDON | Fibrous tissue attaching muscle to bone | |
| OSSIFIED | Turned to bone or bony tissue | |
| NUCLEUS | An incipient ovule of soft cellular tissue. | |