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Bones
| Question | Answer |
|---|---|
| osteo | bone |
| Short Bones | About equal in length and width (ex: carpals) |
| Flat Bones | Thin, flat, protect organs (ex: skull, sternum) |
| Irregular Bones | Odd shapes (ex: vertebrae) |
| Diaphysis | Shaft of a long bone |
| Epiphysis | Ends of a long bone |
| Epiphyseal Line | Remnant of growth plate |
| Metaphysis | Area between diaphysis and epiphysis |
| Medullary Cavity | Hollow center inside shaft |
| Yellow Bone Marrow | Fat storage in medullary cavity |
| Periosteum | Outer covering of bone |
| Articular Cartilage | Smooth cartilage at bone ends |
| Spongy Bone | Porous, lightweight bone inside |
| Trabeculae | Struts of spongy bone |
| Red Bone Marrow | Produces blood cells |
| Compact Bone | Dense, hard outer bone |
| Osteon | Structural unit of compact bone |
| Haversian Canal | Central canal for blood vessels/nerves |
| Osteocyte | Mature bone cell, maintains bone |
| Osteoblast | Builds new bone |
| Osteoclast | Breaks down bone |
| Canaliculi | Tiny channels connecting bone cells |
| Lamellae | Rings of bone around Haversian canal |
| Endosteum | Inner lining of bone cavity |
| Lacuna | Small spaces housing osteocytes |
| Blood Vessels | Carry nutrients/waste in bone |
| Arterioles | Small arteries bringing oxygenated blood |
| Venules | Small veins carrying deoxygenated blood |
| Long bones | Longer than wide (ex: femur, humerus) |