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Skeletal cartilages
skeletal cartilages
| Question | Answer |
|---|---|
| Skeletal Cartilage | made up of some variety of cartilage tissue, which consists primarily of water |
| cartilage tissue | consists mostly of water, accounting for its resilience, that is the ability to spring back to its original shape after being compressed |
| perichondrium | The cartilage which contains no nerves, or blood vessels, is surrounded by a layer of dense irregular connective tissue, the ________ |
| perichondrium | "around the cartilage" acts like a girdle to resist outward expansion when the cartilage is compressed. Contains the blood vessels from which nutrients diffuse through the matrix to reach the cartilage cells. |
| three types of cartilage tissues: | Hyaline cartilages, elastic cartilages, fibrocartilages |
| chondrocytes | basic components of cartilage tissues |
| chondrocytes | encased in small cavities (lacunea) within an extracellular matrix containing a jelly like substance and fibers |
| Hyaline Cartilages | look like frosted glass when freshly exposed, provides support within flexability and resilience. |
| Hyaline Cartilages | Most abundant skeletal cartilages |
| Skeletal Hyaline Cartilages include | articular cartilages, costal cartilages, respiratory cartilages, nasal cartilages |
| articular cartilages | covers the ends of most bones and movable joints |
| costal cartilages | connect the ribs to the sternum (breastbone) |
| respiratory cartilages | form the skeleton of the larynx (voicebox) and reinforce other respiratory passages |
| nasal cartilages | support the external nose |
| Elastic Cartilages | looks very much like hyaline cartilages, but they contain more stretchy elastic fibers and are better to stand up to handle repeated bending. |
| Elastic Cartilages | type of cartilage in the external ear and the epiglottis (the flap that bends to open the larynx each time we swallow |
| Fibrocartilage | highly compressable and have great tensile strength |
| Fibrocartilage | The perfect intermediate between hyaline and elastic cartilages, ________ consist of rughly parrallel rows of condrocytes aternating with thick collagen fibers. |
| Fibrocartilage | occur in that are subjected to both heavy pressure and stretch, such as pad like cartilages (menisci) of the knee and the discs between the vertibrae |
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