Question

walls of arteries are divided into how many parts ??
Name them .............
#100 points xP

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Answer 1

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The wall of an artery consists of three layers. The innermost layer, the tunica intima (also called tunica interna), is simple squamous epithelium surrounded by a connective tissue basement membrane with elastic fibers. The middle layer, the tunica media, is primarily smooth muscle and is usually the thickest layer. It not only provides support for the vessel but also changes vessel diameter to regulate blood flow and blood pressure. The outermost layer, which attaches the vessel to the surrounding tissue, is the tunica externa or tunica adventitia. This layer is connective tissue with varying amounts of elastic and collagenous fibers. The connective tissue in this layer is quite dense where it is adjacent to the tunic media, but it changes to loose connective tissue near the periphery of the vessel.

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HOPE IT HELPS...

Answer 2

Answer:

Hey mate,

Walls of arteries is divided into 3 parts :-

1. Tunica Interna

2. Tunica Media

3. Tunica Externa

Tunica Interna :-

The innermost layer consisting of an endothelium and an elastic membrane .

Tunica media :-

A middle layer of smooth involuntary. muscle and elastic fibers .

Tunica Externa :-

An Externa layer consisting of losse connective tissue.

Hope this will help uh!

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