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25 terms

Cartilage

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lacunae
space around chondrocytes
interstitial growth
growth from within the tissue
appositional growth
growth from the outside of the tissue
perichondrium
actively growing cartilage
fibrous layer
outer layer fibrous CT of perichondrium containing BVs
chondrogenic layer
cell of fibrous layer that are differentiated into chondroblasts and secreting ECM
territorial or capsular matrix
immediately around cartilage cells , darker staining
interterritorial matrix
between cells, lighter staining do to lower sulfur content
Chondronectin
adherence of cell membrane to ECM
Chondrocalcin
calcium binding in the ECM
chondrocytes
large round cells
fibrocartilage
large round cells with densely packed collagen type I fibers
annulus fibrosis
fibrocartilage intervertebral discs
nucleus pulposis
gelatinous matrix intervertebral discs
herniated disc
caused by the extrusion of nucleus pulposis
synarthroses
functional description of a joint, immovable joint, ie suture between occipital and parietal bones
amphiarthroses
functional description of a joint, slightly movable joint, ie intervertebral joints
diarthroses
functional descritption of a joint, freely movable joint, most common, ie elbow, ankle
sutures
structural classification of a joint, fibrous tissue between bones of skull
syndesmoses
structural classification of a joint, fibrous tissue where bones are untied by dense fibrous tissue
gomphoses
structural classification of a joint, fibrous holding teeth in sockets
synchondroses
structural classification of a joint, cartilagenous tissue including hyalin cartilage, epiphyseal plates, costal cart.
symphyses
structural classification of a joint, cartilagenous fibrocartilage, pubic symphysis, intervertebral disc,
osteoarthritis
degenerative arthritis, affects synovial joints, most common, non-inflammatory
rheumatoid arthritis
inflammatory, inflamation of synovial membrane, synovial membrane thickens and fluid secrection increases, pannus of tissue forms across cartilage