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avascular
(redirected from avascular chorion)

    Also found in: Dictionary/thesaurus 0.02 sec.
avascular /avas·cu·lar/ (a-vas´ku-ler) not vascular; bloodless.
a·vas·cu·lar (-vsky-lr)
adj.
Not associated with or supplied by blood vessels.
a·vascu·lari·ty (-lr-t) n.
avascular
[āvas′kyələr]
Etymology: Gk, a, without; L, vasculum, vessel
1 pertaining to a tissue area that is not receiving a sufficient supply of blood. The reduced supply may be the result of blockage by a blood clot or of the deliberate stoppage of flow during surgery or during control of a hemorrhage.
2 pertaining to a kind of tissue that does not have blood vessels.
avascular
not vascular; bloodless.
avascular necrosis of the femoral head
see legg-calvé-perthes disease.
avascular chorion
the normally avascular and villous tips of the chorioallantoic membranes in pig, sheep and cattle placentas; colored white to brown, wrinkled; called also the necrotic tips.


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