Which of the following organs has the most permeable capillaries ?

Correct answer: C. Liver

  • A. Brain
  • B. Posterior pituitary gland
  • C. Liver
  • D. Small intestine

Explanation

Liver sinusoids are discontinuous capillaries with wide gaps and an incomplete basal lamina, making them more permeable than ordinary or fenestrated capillaries. Brain capillaries are the least permeable because of the blood-brain barrier.

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