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 ?
In the current study, the features of avascularity or low blood supply in these lesions could help to differentiate them from malignance.
This peripheral blood supply, in all probability, allows peripheral tears of the TFCC to mount a reparative response, while the avascularity of the central portion of the TFCC renders the articular disc unable to repair or heal.
16) Despite the avascularity of the radial attachment, good results equal to IB repairs have also been shown in arthroscopic repair.
3) This region of avascularity also corresponded to the location of superior and inferior retinacula, which serve as pulleys for the ATT mechanism.
The cause for the increased incidence of infection in burns ward may be attributed to the loss of natural cutaneous barrier to infection, coagulated proteins and other microbial infections in the burn wound and combined avascularity of the wound which might lead to microbial infection.
Central tears are not amenable to repair due to avascularity of the central zone of the TFCC, which precludes healing and peripheral ulnar sided tears involve the vascular zone of the TFCC and can be repaired either arthroscopically or by open technique.
It is almost inert due to its avascularity and exceedingly low BMR.
One case of Limbal avascularity documented was due to excessive reaction to the drug Mitomycin C.
With-out any sight threatening complications, a number of cases of scleral thinning and avascularity have been reported
Problems with current technique: Complications with MMC remain a major issue for concern iritis, limbal avascularity, scleral melting or calcific plaque formation, corneal decompensation, corneal or sclera perforations, secondary glaucoma and cataract have all been reported with the use or abuse of MMC eye drops.
The cause for the delayed union in this case can be attributed to the avascularity of the segment of bone which must have been stripped off of its soft tissues at the time of injury and during surgery.