Mindblown: a blog about philosophy.
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Centrocecal scotoma
A defect in vision that is oval-shaped and includes the fixation point and the blind spot of the eye.
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Central scotoma
An area of depressed vision involving the point of fixation, seen in lesions of the macula.
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Arcuate scotoma
An arc-shaped scotoma near the blind spot of the eye. It is caused by a nerve bundle defect on the temporal side of the optic disk.
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Annular scotoma
A scotomatous zone that encircles the point of fixation like a ring, not always completely closed but leaving the fixation point intact.
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Absolute scotoma
An area in the visual field in which there is absolute blindness.
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Scorpion
An arthropod of the class Arachnida and order Scorpionida. It varies in length from less than 2 in (5 cm) for the small bark scorpions of Arizona to 8 in (20 cm) for some African scorpions. Most scorpions are nocturnal and reclusive and are most active when the night temperatures remain above 70°F (21°C). The…
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Scorbutic
Concerning or affected with scurvy.
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Passive scopophilia
Sexual pleasure derived from being observed by others.
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Renal scoop
An instrument used to dislodge or remove small stones from the pelvis of a kidney.
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Mastoid scoop
An instrument used in mastoid operations.
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