Term
| name the 4 main functions of the skeletal system |
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Definition
| Support/protect, lever for muscles, hematopoiesis and storage of minerals |
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Term
| In which bones does hematopoiesis take place? |
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Definition
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Term
| more than 90% of the body's calcium and potassium are stored in the bones, true or false? |
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Definition
| False, more than 90% of calcium and phosphate reserves are stored in bone. NOT potassium. |
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Term
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Definition
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Term
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Definition
| bone degrading cell (makes room for osteoblasts to lay down new bone cells) |
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Definition
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Term
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Definition
| densely packed bone on external surfaces (like a shell or collar) |
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Term
| Define: spongy (cancellus) bone |
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Definition
| loosely organized bone found in the interior of the bone, particularly on the ends |
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Term
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Definition
| Cavity located in the interior of long bones |
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Term
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Definition
| the body/shaft of a long bone |
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Term
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Definition
| the ends of the long bone (location of cancellus spongy bone) |
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Term
| Define: Articular cartilage |
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Definition
| hyaline cartilage located on the articular ends of the bone (lacks parichondrium) |
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Term
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Definition
| connective tissue layer on th eouter surface of the bone |
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Term
| name the 3 types of joints |
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Definition
| Fibrous, Cartilaginous and Synovial |
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Term
| what are the 3 types of fibrous joints? |
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Definition
| Gomphosis, suture and syndesmosis |
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Term
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Definition
| fibrous joint connecting the roots of a tooth and the bone of the maxilla/mandible |
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Term
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Definition
| the fibrous joining of two skull plates |
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Term
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Definition
| a fibrous joint in which the bones are joined by strong fibrous bands of connective tissue |
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Term
| where can syndesmosis joints be found? |
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Definition
| between the radius and ulna (aka. the intersosseous membrane) and at the distal end of the tibia and fibula |
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Term
| Define: cartilaginous joint |
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Definition
| cones connected via cartilage |
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Term
| two types of cartilaginous joints |
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Definition
| synchondrosis and symphysis |
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Term
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Definition
| bones joined by hyaline cartilage |
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Term
| what can be found as epiphyseal cartilage between primary and secondary ossification centres? |
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Definition
| synchondrosis cartilaginous joints |
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Term
| synchondrosis joints are NOT permanent, true or false |
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Definition
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Term
| where can synchondrosis joints be found? |
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Definition
| anterior end of the rib (attach rib to sternum) and between primary and secondary ossification centres |
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Term
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Definition
| a cartilaginous joint in which the bones are joined by a fibrocartilage pad |
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Term
| where can symphysis joints be found? |
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Definition
| between vertebrae and between the two pubic bones |
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Term
| Synovial joints are surrounded by a joint capsule lined with a synovial membrane, true or false? |
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Definition
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Term
| synovial joint capsules are thickened to form what? |
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Definition
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Term
| Define: extrinsic ligiment |
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Definition
| ligiments joining bones but not part of the capsule |
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Term
| a synovial joint may have ____ or _____ to deepen the socket/ provide shock absorption? |
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Definition
| menisci (cartilage pads) , labrum (cartilage rings) |
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Term
| to protect soft tissues and reduce movement friction, ____ is placed outside the joint (sometimes)? |
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Definition
| Bursa pads (synovial pad) |
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Term
| where can bursa (synovial) pads be found? |
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Definition
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Term
| synovial joints are usually freely movable, true or false? |
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Definition
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