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Bones
| Term | Definition |
|---|---|
| Long Bones | Longer than they are wide; act as levers. |
| Short Bones | provide stability with limited movement. |
| Flat Bones | provide broad surfaces for muscle attachment. |
| Irregular Bones | Complex shapes |
| Diaphysis | Shaft of the long bone. |
| Epiphysis | Ends of the long bone. |
| Epiphyseal Line | Remnant of the growth plate |
| Metaphysis | contains the growth plate in children. |
| Medullary Cavity | Contains yellow bone marrow |
| Yellow Bone Marrow | Stores fat |
| Periosteum | Contains blood vessels, nerves, osteoblasts. |
| Articular Cartilage | Reduces friction in joints. |
| Spongy Bone | Contains trabeculae. |
| Trabeculae | Lattice-like network within spongy bone. |
| Red Bone Marrow | Produces blood cells. |
| Compact Bone | Organized into osteons. |
| Osteon | Fundamental unit of compact bone. |
| Haversian Canal | Contains blood vessels and nerves |
| Osteocyte | Maintains bone tissue. |
| Osteoblast | Bone-building cell. |
| Osteoclast | Breaks down bone tissue |
| Canaliculi | Allows communication and nutrient transfer between osteocyte |
| Lamellae | Concentric rings of bone matrix |
| Endosteum | Contains osteoblasts and osteoclasts. |
| Lacuna | Small spaces housing osteocytes. |
| Blood Vessels | Supply nutrients and remove waste in bone tissues. |
| Arterioles | Small arteries bringing oxygenated blood into bone |
| Venules | Small veins carrying deoxygenated blood away from bone |