avascular

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Related to avascularity: vascularize, devascularization

avascular

 [a-vas´ku-ler]
not vascular; bloodless.

a·vas·cu·lar

(ă-vas'kyū-lăr, ā-vas'kyū-lăr),
Without blood or lymphatic vessels; may be a normal state, as in certain forms of cartilage, or the result of disease.
Synonym(s): nonvascular

avascular

/avas·cu·lar/ (a-vas´ku-ler) not vascular; bloodless.

avascular

(ā-văs′kyə-lər)
adj.
Not associated with or supplied by blood vessels.

a·vas′cu·lar′i·ty (-lăr′ĭ-tē) 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

adjective Without blood vessels; lacking an adequate blood supply.

a·vas·cu·lar

(ā-vas'kyū-lăr)
Without blood or lymphatic vessels.

avascular

Lacking blood vessels.

avascular

without a blood supply. avascular necrosis death of tissue due to lack of blood supply, usually referring to bone, following injury. Other causes in bone include hyperbaric exposure (diving), excessive intake of corticosteroids or alcohol, and some diseases. Commonly occurs after fracture of the femoral neck, leading to death of the femoral head. Also seen in fractures of the scaphoid bone in the wrist or of the head of the humerus. Often leads to osteoarthritis.

avascular

non-vascular, e.g. a tissue area deprived of its blood supply

avascular

not vascular; bloodless.

avascular necrosis of the femoral head
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.
References in periodicals archive ?
These include avascularity of the tendon, mechanical impingement of the tendon with pronation of the forearm, degenerative changes within the tendon, and hypertrophic lipping of the anterior margin of the radial tuberosity, which can then cause a rent in the tendon (3, 4).
3) This region of avascularity also corresponded to the location of superior and inferior retinacula, which serve as pulleys for the ATT mechanism.
It has been proposed that high metabolic activity combined with the relative avascularity of the foveal centre contributes to a relative decrease in fluid reabsorption in the foveal region despite leakage from the surrounding vessels.