glaucomatous cup

cup (kup) a depression or hollow.

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glaucomatous cup  a form of optic disk depression peculiar to glaucoma.

optic cup 

1. a depression in the center of the optic disk.

2. an indentation of the distal wall of the optic vesicle, brought about by rapid marginal growth and producing a double-layered cup.

physiologic cup  optic c. (1)

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glaucomatous cup

n.

A deep depression of the optic disk caused by glaucoma. Also called glaucomatous excavation.

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cup

a depression or hollow.

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glaucomatous cup

a depression of the optic disk due to persistently increased intraocular pressure, broader and deeper than a physiological cup, and occurring first at the temporal side of the disk.

optic cup

an evagination of the optic vesicle, an outgrowth from the neural tube, which forms a cup, the forerunner of the eyeball.

physiological cup

a slight depression sometimes observed in the optic disk.

tooth cup

central depression on the occlusal surface of the horse's incisor teeth at the time of eruption; as the horse ages and the occlusal surface is eroded, the cup becomes smaller and eventually disappears; the reducing size is used in aging of horses by their teeth.

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cup, glaucomatous 

A large and deep excavation within the optic disc due to a raised intraocular pressure. It is characterized by overhanging walls over which the blood vessels bend sharply and reappear at the bottom of the depression. See cupped disc; cup-disc ratio.