Adventitious (histology)

See also: Adventitious (homonymy)

The adventitious is a layer surrounding a Organe, in particular some blood-vessels and other conduits the such esophagus, and connecting it to the surrounding fabric. This tunic generally made up of Fibroblaste S is directed longitudinally and of associated fibers of Collagène.

Histology

The adventitious one consists of two networks:

the Vasa recta, which are a whole of small Artériole S,
the Vasa vasorum, which are small Nerf S.

See too

Artery - Intima - Media
Vein
Urothélium

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