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