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Definition of macula
maculae
play \-ˌlē, -ˌlī\ alsomaculas
2a : an anatomical structure having the form of a spot differentiated from surrounding tissuesb : a small yellowish area lying slightly lateral to the center of the retina that is made up mostly of cones (see 1cone 3a), plays a key role in visual acuity, and has the fovea at its center —called also macula lutea, yellow spot
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Recent Examples of macula from the Web
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Located on the opposite side of the lens, the macula includes the region of sharpest vision, the fovea.
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The membrane can form over the macula , a region near the center of the retina that sharply focuses images, a crucial process for reading or seeing fine detail.
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The membrane can form over the macula, a region near the center of the retina that sharply focuses images, a crucial process for reading or seeing fine detail.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'macula'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of macula
Middle English, from Latin
Medical Dictionary
macula
playMedical Definition of macula
maculae
\-ˌlē, -ˌlī\play play alsomaculas
1: a spot or blotch; especially : macule 2
2: an anatomical structure having the form of a spot differentiated from surrounding tissues: asa: macula acusticab: a small yellowish area lying slightly lateral to the center of the retina that is made up mostly of cones, plays a key role in visual acuity, and has the fovea at its center—called also macula lutea, yellow spot
Learn More about macula
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Britannica English: Translation of macula for Arabic speakers Britannica.com: Encyclopedia article about macula
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