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A&P muscular system
Quiz 2 (Chapter 6)
| Question | Answer |
|---|---|
| In what month or pregnancy is the skeleton developed? | The third month |
| What is the structure of the Skeletal System? | Bones and joints |
| What is the function of the Skeletal System? | 1. Support 2. Protection 3.Store Calcium 4. Hematopoiesis |
| Function of the Ribs | Protect lungs and heart |
| Function of the Pelvis | Protects repro. organs |
| Function of the skull | Protect the brain |
| Ligament attach what to what? | Bone to bone? |
| Long bone | Humorous |
| Short bone | Carpal |
| Flat bone | Frontal |
| Irregular | Vertebrae |
| Semoid bone | patella |
| Diaphysis or shaft | hallow tube of hard compact bone (middle part of bone) |
| Medullary cavity | Hollow inside, contains yellow bone marrow |
| Epiphyses | Ends of bones, spongy bone that contains red bone marrow |
| Articular Cartilage | Covers epiphyses, act as a fusion |
| Periosteum | Strong membrane covering bone everywhere except the joint surface |
| Endosteum | Lining of the medullary cavity |
| Spongy Bone | Needle like threads called trabeculae, found in epiphyses bone, spaces contain red bone marrow |
| Compact bone | structure unit is a osteons, rings are concentric lamella (each ring). |
| Lacunae | Osteocytes lie in |
| Canaliculi | Passsage ways or canals connect the lacunae with one another and with the central canal in each osteon |
| Cartilage | Cell type is called chondrocyte |
| OsteoBlast | Make bones, form bones |
| OsteoClast | Reabsorbs bones |
| Epipshyseal plate | remain between the epiphysis and diaphysis, growth continues when plate is there |
| Axial | Skull Spine Thorax |
| Appendicular | outer exremeties |
| Maxilla | Above jaw, below nose |
| Mandible | jaw |
| ethmoid | Nose, inner eye |
| Frontal | Forehead |
| Zygomatic | Upper cheek |
| Where are the sinuses located? | Maxilla, frontal, ethmoid |
| Vertebral column | 1. Cervical 7 2. Thoracic 12 3. Lumbar 5 Sacral |
| Rib cage | First 7 are true ribs Last 5 or 3 are false Ribs 11 and 12 are floating ribs |
| Joints | Hold bones together |
| Synarthroses | Allow NO movement; joined to another bone by a suture |
| Amphiarthroses | Cartilage connect bones, ALLOW movement in order to bend. The joint between the two pubic bones |
| Diarthroses | Allow A LOT of movement, freely moving joints |
| Ball and socket | arm in shoulder |
| Hinge | Femur to patella |
| Pivot | Head |
| Saddle | Fingers |
| Gliding | Spine |
| Condyloid | Wrist |
| Flexion | Reduce angle of the joint, bend elbow |
| Extension | Increase angle of a joint, as in straightening a bent elbow |
| Rotation | Shaking your head NO |
| Circumduction | Moves in distal end of a bone in a circle |
| aBduction | Move AWAY from the midline Abduct-take away |
| aDDuction | Move TOWARDS the midline ADD arm to body |
Created by:
kpielechowski
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