macula — English Dictionary

Noun

1. 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.

2. A small chamber of the inner ear of certain vertebrates filled with endolymph and containing an otolith.

3. A spot, as on the skin, or on the surface of the sun or of some other luminous orb.

4. A rather large spot or blotch of color.

5. In planetary geology, an unusually dark area on the surface of a planet or moon.

Noun

1. a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field

   Synonyms

   sunspot

   Broader terms

   spotspeckledapplepatchfleckmaculation

2. a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision

   Synonyms

   macula luteamacular areayellow spot

   Broader terms

   arearegion

3. a patch of skin that is discolored but not usually elevated; caused by various diseases

   Synonyms

   macule

   Broader terms

   spotspeckledapplepatchfleckmaculation