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area cen·tra·lis | \ -sen-ˈtra-ləs 
, -ˈträ-, -ˈtrā- \
, -ˈträ-, -ˈtrā- \Definition of area centralis
anatomy
1 : macula lutea Light from the very center of the visual field, the area of space that we “are looking at,” projects onto the area centralis or macula.— Peggy Mason, Medical Neurobiology, 2011
2 : a small region near the center of the retina of various vertebrates that is highly concentrated with cones and rods, plays an important role in visual acuity, and is analogous to the macula lutea The area of maximal visual acuity and highest cone density in the retina of the horse is the area centralis.— Dennis Eugene Brooks, Ophthalmology for the Equine Practitioner, 2002 By contrast, dogs have what is called an area centralis: a broad central region with fewer receptors than a fovea, but more than in peripheral parts of the eye.— Alexandra Horowitz, Inside of a Dog, 2009
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The first known use of area centralis was in 1862
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