What is the outermost layer of an artery and vein?

What is the outermost layer of an artery and vein?
  1. Tunica intima
  2. Tunica media
  3. Squamous endothelium
  4. Tunica externa

Solution

The outermost layer of an artery and vein is the tunica externa. It is composed of fibrous connective tissue with collagen fibres.

Asked in: NCERT

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