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Tunica media
The tunica media (or just media) is the middle layer of an artery or vein.[1] Additional recommended knowledge
ArteryIt is made up of smooth muscle cells and elastic tissue. It lies between the tunica intima on the inside and the tunica adventitia on the outside. The middle coat (tunica media) is distinguished from the inner by its color and by the transverse arrangement of its fibers.
VeinThe middle coat is composed of a thick layer of connective tissue with elastic fibers, intermixed, in some veins, with a transverse layer of muscular tissue. [4] The white fibrous element is in considerable excess, and the elastic fibers are in much smaller proportion in the veins than in the arteries. Additional imagesSee also
References
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. |
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Tunica_media". A list of authors is available in Wikipedia. |