Term
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Definition
- Human cartilage initially made up of cartilage model
- Most is replaced with bone tissue around embryonic wk 8
- Some cartilage remains in places where flexible skeletal tissue is needed
- High water content; no nerves; no blood vessels
- Healing is very slow because of no blood
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Term
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Definition
support with resiliency and some flexibility
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Term
| 4 types of Hyaline Cartilage |
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Definition
- Articular - covering ends of most long bones and joints
- Coastal - connect ribs to sternum
- Respiratory - reinforce air passageways
- Nasal - support external nose
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Term
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Definition
like hyaline but more stretch
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Term
| Two examples of elastic cartilage |
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Definition
- External Ear
- Epiglottis - prevents food from going down windpipe
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Term
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Definition
highly compressible w/ great tensile strength
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Term
| 3 types of fibrocartilage |
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Definition
- Intervertebral Discs - recoil strength
- Pubic symphosis
- Meniscus (of knee) - b/t femur and tibia
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Term
| 2 Kinds of Cartilage Growth |
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Definition
- Appositional
- Interstitial
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Term
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Definition
| cartilage-forming cells secrete new matrix against external face of existing cartilage. Form from outside. |
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Term
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Definition
| chondrocytes in lacunae divide and secrete new matrix, from within |
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Term
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Definition
| skull, vertebral column, rib cage |
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Term
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Definition
| upper and lower limbs and gridles (shoulders and hips) |
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Term
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Definition
| longer than wide, ex: all limb bones |
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Term
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Definition
| roughly cubed shaped, ex: wrist and ankle bones |
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Term
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Definition
| thin, flattened, usually somewhat curved. ex: sternum, ribs, some skull bones |
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Term
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Definition
| complicated shapes, ex: vertebrae, hip bones |
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Term
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Definition
- support
- Protection
- Movement
- Mineral storage (calcium and phosphate)
- Blood cell production
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Term
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Definition
Usually found where bone is stressed by pulling of muscles
ex. heads, trochanters, spines
Usually allow passage of nerves and blood vessels
ex. depressions, sinuses, foramina, grooves |
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