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 (ăd′vĕn-tĭsh′ə, -vən-)
The membranous outer covering of an organ or a blood vessel.

[New Latin, from Latin adventīcius, foreign; see adventitious.]

ad′ven·ti′tial adj.


of or relating to the adventitia
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.adventitial - of or pertaining to the adventitiaadventitial - of or pertaining to the adventitia  
References in periodicals archive ?
Subsequently, it was divided into four sections about 3 mm long each after peeling adventitial fat and connective tissue carefully.
Moreover, the human vascular adventitial fibroblasts from pulmonary arteries, were cultured in appropriate media and showed osteogenic, adipogenic and myogenic differentiation (13).
Medical technology company Mercator MedSystems Inc stated on Wednesday that it has admitted the first patient under the TANGO (Temsirolimus Adventitial Delivery to Improve Angiographic Outcomes Below the Knee) clinical trial.
Adventitial fibrosis can be found in both conditions.
Cystic adventitial disease (CAD) is the narrowing of an artery by mucoid cysts in the arterial wall or adventitia.
During development, one or few of these cells lose their ability to produce or secrete platelet derived growth factor (PDGF) and transforming growth factor beta 1 (TGF a1), (Marx) which are required to recruit adventitial cells around developing vessels.
Osteopontin is an endogenous modulator of the constitutively activated phenotype of pulmonary adventitial fibroblasts in hypoxic pulmonary hypertension.
At AV crossing, the artery and vein share a common adventitial sheath.
3] Fibromuscular dysplasia is a further disorder that has been described but predominantly affects the medial or adventitial layers of the arterial wall and typically involves the renal or extracranial cerebrovascular arteries.
Each common carotid artery was freed from its adventitial sheath and carefully separated from the vagus nerve.
The pathophysiological changes of PAH, including migration and proliferation of pulmonary arterial smooth muscle cell (PASMC), adventitial fibroblast (PAAF), and leukocytes infiltration as well as release of inflammatory cytokines, could result in pulmonary endothelial dysfunction and vascular remodeling in the small pulmonary arteries [2, 4].