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the spongy bone is in the epiphyses but, also lines the ________ _______ of the long bones
the harversian system contains......
lamellae, lacunae, osteocytes, cancaliculi, harversian canal, and the volkmanns canal
the cavity of the diaphysis lines the medullary cavities in the _______ __ ______ _______
trabeculae in flat bone
the trabeculae is located in the ________ structure of a long bone and is in the ________ of flat bones
what are the functions of the skeletal system
support, protection, movement, mineral storage, and hematipiesis
what 2 hormones affect the blood calcium levels and the activity of the osteoblasts and osteoclasts
PTH and calcitonin
PTH causes the increase of ______ ________ when the blood level of calcium is too low
the increase of absorption in the intestines leads to the ________ in the absorption of calcium in the PTH
when blood calcium levels are high in the calcitonin hormone _______ is increased and _______ activity is decreased
what does the hormone do to treat postmenopausal osteoprosis
the hormone causes the bone to thicken, increasing osteoblasts (bone growth)
the hormone ______ treats postmenopausal osteoprosis by increasing the ________
the structure of the long bone consists of ....
endochondral ossification, primary ossification center, secondary ossification cencert, and the epiphyseal plate
the entrance of the blood vessels in the primary ossification center is where the _______ _______ is developed
the epiphyseal plate consists of the......
cartilage, proliferation, hypertrophy, and the calicification
the callus formation of bone healing is when ________ removes cells, while the _______ form bones
the ______ _______ provides free movement because of the smooth surface it creates at the end of bone
in the matrix of the elastic cartilage contains ______ ______ ______ ______
dark stained elastin fibers
when talking about the "shaft" of the bone, it is talking about the _________ ___ ___ ______
middle of the bone
in bone growth, the medullary cavity is formed because of the activity of _________
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