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25 Cards in this Set

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  • Back
epiphyses
ends of bones, made of spongy bone, contain red marrow
diaphyses
shaft of bone, made of compact bone
articular cartilage
covers epiphyses (ends of bones)
medullary cavity
cavity in center of bone, lined with endosteum, filled with yellow marrow
endosteum
squamous cells that line medullary cavity in bone
periosteum
fibrous vascular layer covering shaft of bone
Haversian canal
cavity in center of an osteon
4 types of cells in bone tissue
osteoprogenitor
osteoblasts
osteocytes
osteoclasts
osteoprogenitor cells
unspecialized cells that can differentiate into osteoblasts; found in the endosteum
osteoblasts
make bone by secreteing collagen & other proteins
ostocytes
mature bone cells
osteoclasts
motile cells that dissolve bone
ossification
bone formation
intramembranous ossification
formation of bone direction on/within fibrous membranes
endochondral ossification
formation of bone within a cartilaginous structure
epiphyseal plate
cartilagenous area in bone where active chondrocytes cause bone to lengthen
osteopetrosis
increased skeletal mass, bone marrow replaced with bone
how do osteoporosis drugs work?
stop osteoclast activity
hematopoiesis
formation of blood cells by red marrow
synarthrosis joints
no movement
amphiarthrosis joints
a little movement
diarthrosis joints
freely moveable joints
types of fibrous joints
syndesmosis (slight movement)
suture (no movement)
gomphosis (no movement; teeth)
cartilaginous joints
synchondrosis (sternum & rib)
symphysis (between vertebrae & at symphysis pubis)
types of synovial joints
ball & socket
condyloid
gliding
hinge
pivot
saddle
bicondylar