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Questions and Answers
What is the definition of resorption?
What is the definition of resorption?
- Transfer from the blood stream back into the bone
- Transfer from a site to the blood stream (except intestine) (correct)
- Breaking down bone (resorption, parathyroid hormone)
- Building bone (reabsorption, calcitonin)
What is the definition of reabsorption?
What is the definition of reabsorption?
- Building bone (reabsorption, calcitonin)
- Transfer from the blood stream back into the bone (correct)
- Transfer from a site to the blood stream (except intestine)
- Breaking down bone (resorption, parathyroid hormone)
What are osteoclasts responsible for?
What are osteoclasts responsible for?
Breaking down bone
What are osteoblasts responsible for?
What are osteoblasts responsible for?
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Study Notes
Resorption vs. Reabsorption
- Resorption involves the transfer of substances from a site directly into the bloodstream, excluding the intestine.
- Reabsorption refers to the transfer of substances from the bloodstream back into the bone.
Key Cell Types
- Osteoclasts are specialized cells responsible for breaking down bone tissue through the process known as resorption, regulated by parathyroid hormone.
- Osteoblasts are cells that aid in bone formation, contributing to reabsorption, and are influenced by hormones such as calcitonin.
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