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bone
| Question | Answer |
|---|---|
| Long Bones | Longer than wide; support and movement. |
| Short Bones | Cube-shaped; provide stability. |
| Flat Bones | Thin and flat; protect organs. |
| Irregular Bones | Complex shape; varied functions. |
| Diaphysis | Shaft of a long bone. |
| Epiphysis | End of a long bone. |
| Epiphyseal Line | Remnant of growth plate. |
| Metaphysis | Between diaphysis and epiphysis. |
| Medullary Cavity | Central cavity with marrow. |
| Yellow Bone Marrow | Stores fat. |
| Periosteum | Outer covering of bone. |
| Articular Cartilage | Smooth joint surface. |
| Spongy Bone | Porous bone with red marrow. |
| Trabeculae | Lattice framework in spongy bone. |
| Red Bone Marrow | Makes blood cells. |
| Compact Bone | Dense, strong outer bone. |
| Osteon | Structural unit of compact bone. |
| Haversian Canal | Central canal for vessels. |
| Osteocyte | Mature bone cell. |
| Osteoblast | Builds bone matrix. |
| Osteoclast | Breaks down bone. |
| Canaliculi | Tiny channels between cells. |
| Lamellae | Rings of bone matrix. |
| Endosteum | Lining of medullary cavity. |
| Lacuna | Space housing osteocyte. |
| Blood Vessels | Carry nutrients and waste. |
| Arterioles | Small arteries to bone. |
| Venules | Small veins from bone. |