macula

noun

mac·​u·​la ˈma-kyə-lə How to pronounce macula (audio)
plural maculae ˈma-kyə-ˌlē How to pronounce macula (audio) -ˌlī How to pronounce macula (audio) also maculas
1
: spot, blotch
especially : macule
2
a
: an anatomical structure having the form of a spot differentiated from surrounding tissues
b
: a small yellowish area lying slightly lateral to the center of the retina that is made up mostly of cones (see cone entry 1 sense 3a), plays a key role in visual acuity, and has the fovea at its center

called also macula lutea, yellow spot

macular adjective

Examples of macula in a Sentence

Recent Examples on the Web Effectiveness of Targeted Spectroscopy A recent study on the eye has shown that ocular spectroscopy can effectively analyze different eye regions, such as the optic disc, blood vessels, retina, and macula, by identifying distinct spectral signatures. William A. Haseltine, Forbes, 15 Feb. 2024 While there’s currently no treatment for macular degeneration, eating healthy diet high in antioxidants (like vitamin C) and quitting smoking both help to support the cells of the macula, according to the American Macular Degeneration Foundation. Meghan Rabbitt, Good Housekeeping, 14 Oct. 2021 These pigments in the eye's macula are essential for maintaining healthy vision. Discover Magazine, 30 June 2023 As the name of the disease indicates, AMD occurs due to slow, progressive deterioration of the macula, a part of the eye necessary for clear, central vision. Elizabeth Svoboda, Discover Magazine, 26 Aug. 2015 Your macula is the part of the retina at the back of your eye that’s responsible for central (as opposed to peripheral) vision, deciphering color, and picking up the fine details. Meghan Rabbitt, Good Housekeeping, 14 Oct. 2021 The injections stanch the growth of abnormal, leaky blood vessels that grow under the macula region of the retina, which is responsible for clear central vision. Ron Winslow, WSJ, 4 Sep. 2022 The macula is central to reading, driving and seeing fine details. Joe Freeman, oregonlive, 21 Mar. 2022 The smear across his macula was the injury and inflammation caused by the infection. Lisa Sanders, New York Times, 16 June 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'macula.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, borrowed from Latin, "stain, spot, blemish, one of the interstices of a net," of uncertain origin

Note: If macula goes back to *sma-tlā, then *sma- may represent an Indo-European base *smh1- seen in Greek smáō, smân "to cleanse, wipe clean," smêma "ointment."

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of macula was in the 15th century

Dictionary Entries Near macula

Cite this Entry

“Macula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macula. Accessed 19 Apr. 2024.

Medical Definition

macula

noun
mac·​u·​la ˈmak-yə-lə How to pronounce macula (audio)
plural maculae -ˌlē How to pronounce macula (audio) -ˌlī How to pronounce macula (audio) also maculas
1
: a spot or blotch
especially : macule sense 2
2
: an anatomical structure having the form of a spot differentiated from surrounding tissues: as
b
: 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

More from Merriam-Webster on macula

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