avascular

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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 ?
Nonvascular complications included in-lab events (abrupt coronary closure, emergency CABG, access site complications, death, ventricular tachycardia/ventricular fibrillation, pulmonary edema, shock, and dissection) and postprocedural complications included death, myocardial infarction, emergency CABG, abrupt coronary closure, hemorrhagic or ischemic CVA, and GI bleed.
The exact etiology of HaNDL syndrome remains unknown and it is included in nonvascular intracranial disturbances in headache classification.
The World Health Organization defines stroke as rapidly developing clinical signs of focal or global disturbances of cerebral function, with symptoms lasting more than 24 hours, or leading to death, without an apparent nonvascular cause (1).
Nonvascular plants are covered very briefly, followed by spore-bearing plants, seed-bearing plants and the major focus, flowering plants (basal dicots, monocots and eudicots).
But past stem cell strategies have fallen short: VECs derived from stem cells are unstable and tend to convert to nonvascular cells, and they do not increase rapidly in number, limiting their potential for clinical use.
Plasma fibrinogen level and the risk of major cardiovascular diseases and nonvascular mortality: an individual participant meta-analysis.
Low-dose aspirin, a common strategy for preventing cardiovascular disease, can also reduce nonvascular deaths, including cancer deaths.
6) This suggests that individuals with ED, in whom nonvascular causes have been excluded, are likely to benefit from exercise training.
Zinc chloride-iodide microchemical testing shows that nonvascular fiber cell walls are mainly composed of cellulose (Fig.
Overall, randomization to aspirin significantly reduced the risk of nonvascular death in patients in the 51 trials compared with no aspirin (1,021 vs.
Another group found, at last count, 75 native species of nonvascular plants--a huge taxa, representing knowledge that we just didn't have--but now we do.