Macula - Definition
macula
n 1: a cooler darker spot appearing periodically on the sun's
photosphere; associated with a strong magnetic field [syn:
sunspot, macula]
2: a small yellowish central area of the retina that is rich in
cones and that mediates clear detailed vision [syn: macula,
macula lutea, macular area, yellow spot]
3: a patch of skin that is discolored but not usually elevated;
caused by various diseases [syn: macule, macula]