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Endocrine
Secretes into blood (Thyroid, pituitary)
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Exocrine
Secretes onto surface or cavities (Salivary, sweat, sebaceous (skin oil))
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Diaphysis
Bone shaft- long main portion
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Epiphysis
End (both proximal & distal epiphyses)
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Fontanels
infant "soft spot". ossification incomplete, allowing skull compression during delivery
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Spongy Bone
Bone separated by irregular spaces
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Compact Bone
Dense bone tissue
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Calcitonin
- Increases osteoblast activity, inhibits osteoclast activity
- More Ca2+ deposited into bone
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Hematopoiesis/ Hemopoiesis
- Blood cell formation
- Production of RBCs, WBCs & platelets
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