adventitial covering

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adventitial — adj. relating to the outer covering of an organ or blood vessel … English contemporary dictionary
adventitia — adventitial, adj. /ad ven tish ee euh, tish euh/, n. Anat. the external covering of an organ or other structure, derived from connective tissue, esp. the external covering of a blood vessel. [1875 80; < L adventicia, neut. pl. of ADVENTICIUS… … Universalium
Adventitia — The outermost connective tissue covering of any organ, vessel, or other structure. For example, the connective tissue that surrounds an artery is called the adventitia because it is considered extraneous to the artery. Adventitia comes from the… … Medical dictionary
adventitia — noun Etymology: New Latin, alteration of Latin adventicia, neuter plural of adventicius coming from outside, from adventus, past participle Date: 1876 an external chiefly connective tissue covering of an organ; especially the external coat of a… … New Collegiate Dictionary
adventitia — noun an enveloping or covering membrane or layer of body tissue • Syn: ↑tunic, ↑tunica • Derivationally related forms: ↑adventitial • Hypernyms: ↑membrane, ↑tissue layer … Useful english dictionary

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