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Ch. 6 Histology

produce new bone matrix osteoblasts
mature bone cells osteocytes
mesenchymal cells present in small numbers in the inner, cellular layer of the peritoseum osteoprogenitor cells
cells that remoce and recycle boneimatrix osteoclasts
struts and plates in spongy bone trabeculae
osteoprogenitor cells in the inner later of the periosteum differentiate into osteoblasts and add bone matrix to the surface appositional growth
fibrous outer layer and a cellular inner layer. isolates the bone from surrounding tissues, provides a route for the blood and nervous supply, actively participates in bone growth and repair. periosteum
incomplete cellular layer that lines the medullary cavity endosteum
when mesenchymal cells differentiate into osteoblasts within embryonic or fibrous connective tissue intramembranous ossification
inadequate production of growth hormone leads to reduced epiphyseal cartilage activity and abnormally short bones pituitary growth failure
epiphyseal cartilages of the long bones grow unusually slower and are replaced by bone early in life achondroplasia
very tall and have long, slender limbs, due to excessive cartilage formation Marfan syndrome
rare single gene disorder that involves the deposition of bone around skeletal muscles fibrodysplasia ossificans progressivs FOP
bones that develop in unusual places heterotopic (place) or ectopic (outside) bones
hormone that increases blood calcium levels parathyroid hormone PTH
hormone that decreases calcium ion concentration in body fluids through two different mechanisms thyroid gland
large blood clot fracture hematoma
Created by: codemanj13