QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
What is the difference between periosteum and endosteum?
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Answer
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Step 1I'll solve this anatomy/histology problem by comparing the periosteum and endosteum systematically:
Step 2: Periosteum Definition
The periosteum is a dense, fibrous connective tissue membrane that covers the outer surface of all bones (except at joint surfaces). It has two primary layers: - Outer fibrous layer: Contains blood vessels and nerves - Inner cellular layer (cambium): Contains osteoblasts responsible for bone growth and repair
Final Answer
The periosteum is a thick external bone membrane involved in bone growth and repair, while the endosteum is a thin internal membrane lining bone cavities and supporting bone marrow processes.
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