Osteocytes · Histology

The total surface area of the lacuno-canalicular system is estimated to be:

  1. Equivalent to the surface of the skin
  2. Much smaller than the alveolar surface of the lungs
  3. Over 200 square meters in an adult skeleton
  4. Negligible in adult bone
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Correct answer: Over 200 square meters in an adult skeleton

The lacuno-canalicular system provides an enormous internal surface area, estimated at over 200 square meters in an adult skeleton. This vast interface between the cells and the mineralized matrix is essential for the efficient regulation of mineral homeostasis.

Difficulty: Medium Question 18 of 20

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