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6
6 Guide Questions
Question | Answer |
---|---|
Spongy bone found in | epiphysis |
Compact bone found in | diaphysis |
Occurs in epiphysis or red marrow | hematopoiesis |
Scientfic name for bone shaft | diaphysis |
site of fat storage | yellow marrow cavity |
region of longitudinal growth in a child | epiphyseal plate |
composed of hyaline cartilage until end of adolescence | epiphyseal plate |
layers of calcified matrix | concentric lamellae |
residence of osteocytes | lacunae |
canal that carries blood vessels and nerves | central canal |
nonliving structural part of bone | bone matrix |
tiny canals connecting lacunae | canaliculi |
bone forms from fibrous membrane | intramembranous ossification |
cartilage bones develop from | hyaline cartilage |
organic bone matrix | osteoid |
enzyme encourages deposit of calcium salts within matrix | alkaline phosphate |
when trapped in lacunae osteoblasts change into | osteocytes |
large number of osteoblasts found in | inner periosteum layer |
periosteal bud invades deteriorating hyaline cartilage shaft | endochondral ossification |
secondary ossification centers appear in | epiphyses |
epiphyseal plates made of | hyaline cartilage |
in appositional growth bone reabsorption occurs on the | endosteal surface |
maturation of newly formed bone matrix takes about | 10 days |
hormone released when blood calcium levels begin to drop | parathyroid hormone |
mature bone cells maintain bone | osteocytes |
lack of muscle use causes muscle and bone | atrophy |
increased deposit of bony matrix occurs at sites of | stress or tension |
immature or matrix depositing bone cells are | osteoblasts |
causes blood calcium to be deposited in bones as | calcium salts |
bone cells that liquefy bone matrix and release calcium are | osteoclasts |