adventitia


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adventitia

[‚ad·ven′tish·ə]
(anatomy)
The external, connective-tissue covering of an organ or blood vessel. Also known as tunica adventitia.
References in periodicals archive ?
Vela et al (3) noted that murine arteries lacked a well-defined adventitia and that the lack of a clear boundary between the adventitia and the surrounding fat of human coronary arteries suggested that the 2 structures functioned as a single unit.
The therapeutic potential of blocking macrophage infiltration of the adventitia was highlighted by Danenberg et al, (29) who showed that macrophage depletion (achieved with clodronate-containing liposomes) reduced neointimal formation in hypercholesterolemic rabbits and rats after mechanical injury.
At surgery, the multilobulated cystic lesion was found to be incorporated within the adventitia of the popliteal artery.
Cardionovum bigwigs believe it has the potential to replace the conventional angioplasty procedure, whose mode of action catalyzes excessive mechanical stress with consecutive disruption of the vessel intima and media, as well as tension on the adventitia.
The external elastic membrane is a layer of elastin that separates the tunica media from the tunica adventitia.
The pathological examination of the ureteral mass, however, revealed the adventitia and the muscular wall of the left ureter invaded by malignant cells.
Both models resulted in elevated BP, increased vasoconstriction and impaired relaxation KCl, elevated TNF-[alpha] and AGEs, NF-[kappa]B activation, marked infiltration of leukocytes in the adventitia, pyknosis of endothelial cells and marked collagen deposition.
7,11,19,20) Other complications in dogs are misplacement of the tube in the periesophageal adventitia and kinking of the tube.
muscle cell layer, whereas proADM N-terminal 20 peptide (PAMP) is found within the tunica adventitia.
The normal artery consists of 3 layers from the inner to the outer wall: the intima, media, and adventitia.
Multiple cIMT measurements were made between pairs of intima and adventitia points along the posterior wall of the vessel.

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