| cone granules |
The nuclei of the cones, sensory cells of the retina. They form the outer zone of the outer nuclear layer of the retina.
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| cone shell poisoning |
A toxic reaction to the neurotoxin delivered by the pointed, hollow teeth of the marine animal contained in the cone shell. Intense local pain, swelling, and numbness may last several days. In severe poisoning, muscular inco
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| cone-rod dystrophy |
A form of retinitis pigmentosa in which central visual loss occurs first. Common symptoms include progressive visual loss followed by the loss of color perception, and eventually, peripheral visual loss and night blindness. Th
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| cone biopsy |
The removal, under general anaesthetic, of a cone shaped section of the cervix so that the tissue can be examined in a laboratory. The same procedure is used as a treatment in some cases.
Ãâó: www.cervicalscreen.health.gov.au/glossary/
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| cone cell |
A type of photoreceptor cell. Although cones are present throughout the retina, they densely populate the macula, the central portion of the retina. Cone cells are particularly important for color vision and discriminating fine visual detail.
Ãâó: www.blindness.org/research/glossary.asp
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