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fovea

Definitions

  • WordNet 3.6
    • n fovea area consisting of a small depression in the retina containing cones and where vision is most acute
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Webster's Revised Unabridged Dictionary
    • n Fovea A slight depression or pit; a fossa.
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Century Dictionary and Cyclopedia
    • n fovea In anatomy and zoology, a depression or shallow pit in a surface, generally more or less rounded.
    • n fovea In botany, a depression or pit; especially, a depression on the upper surface of the leaf-sheath in Isoetes, in which the sporangium is formed.
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Chambers's Twentieth Century Dictionary
    • n Fovea fō′vē-a (anat.) a depression or pit
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Etymology

Webster's Revised Unabridged Dictionary
L., a small pit
Chambers's Twentieth Century Dictionary
L.

Usage

In literature:

Its image falls full on the fovea.
"Harvard Psychological Studies, Volume 1" by Various
Facial depression: = antennal fovea, q.v.
"Explanation of Terms Used in Entomology" by John. B. Smith
Another significant fact is that the fovea is of little use in very dim light.
"Psychology" by Robert S. Woodworth
Many birds possess besides this temporal fovea a second fovea nearer the nasal side.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7" by Various
The fovea also contains a yellow pigmentation which makes this area of the retina selective as to color-vision.
"Visual Illusions" by Matthew Luckiesh
The name Fovea, given to the constellation by Bayer, signifies a pit where corn was deposited.
"Astronomical Curiosities" by J. Ellard Gore
The fovea centralis of the human retina is the seat of most acute vision, and in the fovea centralis there are no rods.
"Old Flies in New Dresses" by Charles Edward Walker
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In news:

In humans, we know that myopic eyes are typically more hyperopic in the periphery than at the fovea, while hyperopic eyes are usually more myopic in the periphery than at the fovea (Millodot, 1981.
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In science:

Bipolar cells receive inputs from single cones, especially in the fovea (center and most sensitive part of the retina) and hence there is hardly any pooling of cone signals.
Quantum Mechanical Basis of Vision
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