hormones
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15 Terms
human growth hormone
activates bone growth. Elongation at epiphyseal plate during childhood. Acromegaly in adults
Erythropeietin
activates RBC production (red bone marrow). Produced by kidneys
Estrogen (osteoblasts)
inhibits cells that break down bone (improves bone density)
Parathyroid Hormone (PTH)
stimulates a response to break down bone to increase blood calcium levels
Calcitonin
Released by thyroid gland when blood Ca2+ levels are too high
Osteogenesis Imperfecta(Brittle Bone Disease)
genetic lack of collagen
Osteopenia & Osteoporosis
reduced calcium in the bone
Rickets
childhood calcium deficiency
exercise on bone growth
Bone stress stimulates bone growth. increases density. Bumps + projections develop at places of high tension
vitamin D3
stimulates Calcium absorption from food
vitamin C
collagen synthesis
vitamin A
activates bone growth
vitamins K, B12
protein synthesis by bone cells
ligaments
bone to bone
tendons
muscle to bone
Note 
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