The third classification is adventitial fibroplasia, in which collagen replaces the fibrous adventitia and extends beyond the artery.
2.
In patients who do live long enough to be seen in a hospital, a majority have only a partially torn blood vessel, with the outermost adventitial layer still intact.
3.
Interestingly, T-cadherin is highly expressed in adventitial vasa vasorum of injured arteries suggesting the involvement of " -cadherin in the processes of angiogenesis after vessel injury.
4.
Depending on the type of vasa vasorum, it penetrates the vessel wall starting at the intimal layer ( vasa vasorum interna ) or the adventitial layer ( vasa vasorum externa ).
5.
Meningoencephalitis characterized by perivascular cuffing with proliferating adventitial cells, histiocytes, and a few plasma cells was seen in the gray and white matter of the cerebrum and in the leptomeninges of PPV-infected stillborn pigs.
6.
It has been proposed recently that cystic adventitial disease, in which a cyst occurs within the popliteal artery near the knee, may occur by an articular mechanism, with a conduit leading from the joint, similar to the development of ganglion cysts, that spread within the peroneal nerve.
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