microaneurysm

microaneurysm /mi·cro·an·eu·rysm/ (-an´ūr-izm) a microscopic aneurysm, a characteristic of thrombotic purpura.

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mi·cro·an·eu·rysm (mkr-ny-rzm)

n.

A focal dilation of the venous end of retinal capillaries occurring in diabetes mellitus, retinal vein obstruction, and absolute glaucoma.

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microaneurysm

[mi′krō·an′yəriz′əm]

Etymology: Gk, mikros + aneurysma, a widening

a microscopic aneurysm characteristic of thrombotic purpura.

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microaneurysm [mi″kro-an´u-rizm]

a minute aneurysm occurring on a vessel of small size, or such as occurs in thrombotic purpura.

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microaneurysm

a minute aneurysm occurring on a vessel of small size, such as one in the retina of the eye or as occurs in thrombotic purpura.

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microaneurysm

Tiny swelling in the wall of a blood vessel. It appears in the retinal capillaries as a small, round, red spot. It is commonly found in diabetic retinopathy, retinal vein occlusion or absolute glaucoma.

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microaneurysm

A teensy-weensy aneurysmal dilation of small arteries, arterioles, or capillaries 'classically' seen in the retina of Pts with long-standing DM, often associated with edema and hemorrhage; MAs occur elsewhere in DM, and in other conditions–eg, thrombotic thrombocytopenic purpura. See Cherry-red spot.