fovea centralis


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Related to fovea centralis: macula, optic nerve

fovea cen·tra·lis

 (sĕn-trā′lĭs)
n.
A small depression near the center of the retina, constituting the area of most acute vision.

[New Latin fovea centrālis : Latin fovea, small pit + Latin centrālis, central.]

fovea centralis

(sɛnˈtrɑːlɪs)
n
(Anatomy) a small depression in the centre of the retina that contains only cone cells and is therefore the area of sharpest vision
[C19: from New Latin: central fovea]

fo′vea cen•tra′lis

(sɛnˈtreɪ lɪs)
n.
a small rodless area near the center of the retina in some vertebrates that allows particularly acute vision.
[1855–60; < New Latin: central fovea]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fovea centralis - area consisting of a small depression in the retina containing cones and where vision is most acute
region, area - a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region"
retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
References in periodicals archive ?
Gass, "Muller cell cone, an overlooked part of the anatomy of the fovea centralis: hypotheses concerning its role in the pathogenesis of macular hole and foveomacular retinoschisis," Archives of Ophthalmology, vol.
Rods are in periphery of retina while cones are concentrated in a small depression called fovea centralis. In typical RP rods are initially malfunctioned following cones and ultimately masks the individual with complete blindness (Travis, 1998).
In the peripheral area (60 to 90 viewing angle from the point of sharpest sight (fovea centralis) which may not be noticed or perceived by the driver because of increased effort or distraction.