Cartilage | Bone |
1. It is semi-rigid and flexible | It is rigid and strong |
2. The matrix lacks blood vessels (non-vascular) | The matrix has blood vessels (vascular) |
3. Non-calcified matrix | Calcified matrix |
4. The matrix protein is chondrin | The matrix protein is ossein |
5. Each lacuna in the matrix has 2 or 3 cartilage cells (chondrocytes) | Each lacuna in the matrix has a single bone cell (osteocyte) |
6. The matrix is not arranged in lamellae | The matrix is arranged in lamellae |
7. Haversian systems, canaliculi and Volkman’s canals are absent | Present |
8. Growth is unidirectional | Growth is bidirectional |
Showing posts with label Histology. Show all posts
Showing posts with label Histology. Show all posts
Comparison between Tendon and Ligament
Tendon | Ligament |
1. It is composed of only collagen fibres | It is composed of collagen fibres and some elastin fibres |
2. Fibres are seen as dense parallel bundles | Fibres are densely crowded but not arranged in parallel bundles |
3. Fibroblasts are seen in between fibre bundles | Fibroblasts are seen in between fibres |
4. Tendon joins muscle to bone | Ligament joins bone to bone |
Comparison between dicot stem and monocot stem
| Dicot stem | Monocot stem |
| 1. Ground tissue is differentiated into cortex, endodermis, pericycle, stele and pith | Undifferentiated ground tissue |
| 2. Vascular bundles are limited in number and are arranged in a broken ring | Vascular bundles are numerous in number and are scattered in the ground tissue |
| 3. Vascular bundles are open | Vascular bundles are closed |
| 4. Collenchymatous hypodermis | Sclerenchymatous hypodermis |
| 5. Sclerenchymatous bundle cap is present | Bundle cap is absent |
| 6. Bundle sheath is absent | Sclerenchymatous bundle sheath is present |
| 7. Protoxylem lacuna is absent | Protoxylem lacuna is present |
| 8. Secondary growth is present | Secondary growth is absent |
Comparison between dicot root and monocot root
| Dicot root | Monocot root |
| 1. Limited number (2 to 6) of Xylem and phloem groups | Numerous xylem and phloem groups (above 6) |
| 2. Diarch to hexarch | Polyarch |
| 3. Xylem cells are polygonal in shape | Xylem cells are rounded in shape |
| 4. Pith is absent or reduced | Pith is large |
| 5. Secondary growth is present | Secondary growth is absent |
