ANP 1106 Study Guide - Flat Bone, Ultimate Tensile Strength, Tubercle

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Cartilage features btw dense ct and bone, tough but flexible avascular, devoid of nerve fibers collagen fibers (can have some elastic fibers) up to 80% water. Perichondrium firbrous, ct membrane covering the external surface of cartilaginous structures in damages areas can form scar tissue because poorly vascularized cartilage repairs badly ossification of cartilage with aging. Chondroblasts high mitotic rate immature cartilage cells, actively form cartilage. Chondrocytes low mitotic rate: mature cartilage cells, maintain cartilage. Lacinae localized clusters of chondrocytes in clusters because the perichondrium takes up a lot of room, so there is little room to expand. Elastic cartilages like hyaline cartilage but more elastic fibers only found in two locations, the external ear and epiglottis: maintains shape while giving lots of flexibility, stand up to repeated bending. Support framework that supports the body and cradles its organs lower limbs act as pillars to support the trunk and the rib cage supports the thoracic wall.

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