An oval yellow spot near the center of the retina of the human eye, histologically defined as having two or more layers of ganglion cells, responsible for detailed central vision.
User Defined Definitions
"a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field"
"a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision"
"a patch of skin that is discolored but not usually elevated; caused by various diseases"