cotton-wool exudate

cotton-wool exudate

Etymology: Ar, qutun + AS, wull + ME, spot
a white, fluffy-appearing lesion, an infarction of the nerve fiber layer, observed on the retina of patients with certain systemic conditions, such as diabetes, acquired immunodeficiency syndrome, hypertension, and lupus. It can also be observed in retinal infections.
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Cotton-wool exudate