3 years ago

The function of tunica externa is to ________.

Biology

2 answers:

Eduardwww [97]3 years ago

8 0

To protect and/or reinforce the blood vessels

polet [3.4K]3 years ago

6 0

The tunica externa (New Latin "outer coat"), also known as the tunica adventitia (New Latin "additional coat")(or adventitia for short), is the outermost tunica (layer) of a blood vessel, surrounding the tunica media. It is mainly composed of collagen and, in arteries, is supported by external elastic lamina.

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