Both bone and cartilage are types of connective tissue in the human body that provide structure and support. However, they differ significantly in hardness, flexibility, blood supply, and location.
Bone Cells: Osteocytes.
Cartilage Cells: Chondrocytes.
Bone Matrix: Contains calcium salts (hard).
Cartilage Matrix: Contains chondrin (flexible).
Bone is Vascular; Cartilage is Avascular.
| Feature | Bone | Cartilage |
|---|---|---|
| Hardness | Very hard and rigid | Flexible and elastic |
| Matrix | Calcified (CaCO₃, Ca₃(PO₄)₂) | Non-calcified (chondrin protein) |
| Blood Supply | Highly vascular (has blood vessels) | Avascular (no blood vessels) |
| Cells | Osteocytes | Chondrocytes |
| Regeneration | Can regenerate (heals after fracture) | Very slow regeneration |
| Location | Skeleton (arms, legs, skull) | Nose tip, ear pinna, trachea, joints |
| Lacunae | Present | Present |
Bone is hard and calcified with blood vessels. Cartilage is flexible, non-calcified, and has no blood vessels.
Bone cells are called Osteocytes. Cartilage cells are called Chondrocytes.
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