Within the periureteral adventitia these arteries extensively anastomose thus permitting surgical mobilization of the ureter without compromising the vascular supply as long as the adventitia is not stripped.
12.
In the largest vessels, the vasa vasorum penetrates the outer ( tunica adventitia ) layer and middle ( tunica media ) layer almost to the inner ( tunica intima ) layer.
13.
In medicine, " adventitious " and related words such as adventitia refer in various senses to the basic meanings associated with the Latin root " advenire ".
14.
Saccular aneurysms tend to have a lack of tunica media and elastic lamina around its dilated location ( congenital ), with wall of sac made up of thickened hyalinized intima and adventitia.
15.
Furthermore, type III variant occurs in stented patients who died suddenly and histological examination of coronary intima, media or adventitia adjacent to stent is infiltrated by eosinophils and / or mast cells
16.
This means that it would take longer for any oxygen to diffuse through to the cells in the tunica adventitia and the tunica media, causing them to need a more extensive vasa vasorum.
17.
Lastly, there is the serosa / adventitia which is made up of loose connective tissue and coated in mucus so as to prevent any friction damage from the intestine rubbing against other tissue.
18.
The tunicae of blood vessels are three layers an inner layer ( the tunica intima ), a middle layer ( the tunica media ), and an outer layer ( the tunica adventitia ).
19.
The tunicae of blood vessels are three layers : an inner, middle, and outer layer that are called, respectively, the tunica intima, the tunica media, and the tunica externa ( or tunica adventitia ).
20.
However, at the oral cavity, thoracic esophagus, ascending colon, descending colon and the rectum, the muscularis externa is instead bounded by adventitia . ( The muscularis externa of the duodenum is bounded by both tissue types . ) Generally, if it is a part of the digestive tract that is free to move, it is covered by serosa, and if it is relatively rigidly fixed, it is covered by adventitia.
