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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

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