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fovea centralis
fovea cen·tra·lis F0285100 (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] Thesaurus| Noun | 1. | fovea centralis - area consisting of a small depression in the retina containing cones and where vision is most acutefovearegion, 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 |
fovea centralis
fovea centralis[′fō·vē·ə sen′tral·əs] (anatomy) A small, rodless depression of the retina in line with the visual axis, which affords acute vision. fovea centralis
fovea centralis (sĕn-trā′lĭs)n. A small depression near the center of the retina, constituting the area of most acute vision.foveacentralisA small area of the retina of approximately 1.5 mm in diameter situated within the macula lutea. At the fovea centralis, the retina is the thinnest as there are no supporting fibres of Mueller, no ganglion cells and no bipolar cells. These cells are shifted to the edge of the depression. The fovea centralis contains mainly cone cells, each one being connected to only one ganglion cell and thus contributing to the highest visual acuity of the retina. The visual field represented by the fovea centralis is equal to about 5º (Fig. F9). Syn. foveal pit; macula (term often used by clinicians). See central visual acuity; retinal image; macula lutea. " > Fig. F9 Cross-section of the retina showing the fovea centralis and foveola (rod-free area)fovea centralis
Related to fovea centralis: macula, optic nerveSynonyms for fovea centralisnoun area consisting of a small depression in the retina containing cones and where vision is most acuteSynonymsRelated Words |