Adventitia
the external covering of an organ or other structure, derived from connective tissue, especially the external covering of a blood vessel.
historical examples
the advent-tia varies much in thickness, being better developed in the medium-sized than in the large arteries.
arteriosclerosis and hypertension: louis marshall warfield
up to the third decade there is only a strengthening of the media and advent-tia.
arteriosclerosis and hypertension: louis marshall warfield
coincidently with this, there is thickening by a connective tissue growth in the advent-tia.
arteriosclerosis and hypertension: louis marshall warfield
there is also, as a rule, rather pr-nounced hypertrophy of the advent-tia.
arteriosclerosis and hypertension: louis marshall warfield
noun
the outermost covering of an organ or part, esp the outer coat of a blood vessel
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.
Read Also:
- 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. […]
- Adventitial cell
advent-tial cell advent-tial cell n. see pericyte.
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advent-tial neuritis advent-tial neuritis n. inflammation of the sheath of a nerve.
- Adventitious
-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. […]
- Adventitious cyst
advent-tious cyst advent-tious cyst n. see pseudocyst.