KROK 1 2016 – Question 71 · KROK (Medicine) · Histology, Cytology, and Embryology

Histologic preparation stained with orcein demonstrates from 40 to 60 fenestrated elastic membranes within the middle coat of vessel. Name this vessel:

  1. A. Mixed type artery
  2. B. Muscular artery
  3. C. Nonmuscular vein
  4. D. Muscular vein
  5. E. Elastic artery
Hint

Think about what the large number of fenestrated membranes in the media tells you about how much stretch and recoil this vessel's wall must handle.

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