Adventitial
the external covering of an organ or other structure, derived from connective tissue, especially the external covering of a blood vessel.
noun
the outermost covering of an organ or part, esp the outer coat of a blood vessel
advent-tial ad·ven·ti·tial (ād’věn-tĭsh’əl, -vən-)
adj.
of or relating to the advent-tia of an organ or blood vessel.
advent-tious.
advent-tia ad·ven·ti·tia (ād’věn-tĭsh’ə, -vən-)
n.
the outermost membranous covering of an organ or structure, especially the outer coat of an artery.
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-ssociated with something by chance rather than as an integral part; extrinsic. botany, zoology. appearing in an abnormal or unusual position or place, as a root. historical examples such acknowledgments are of high value in keeping the issue clear, if not always of all advent-tious, yet of all venomous matter. the works of robert g. […]
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- Adventitiously
-ssociated with something by chance rather than as an integral part; extrinsic. botany, zoology. appearing in an abnormal or unusual position or place, as a root. historical examples he expresses the unalloyed sensibility of an artist in terms of delicious contemporary life and gives us, advent-tiously, romance. since czanne clive bell adjective added or appearing […]