MACULA LUTEA Meaning and
Definition
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The macula lutea is a small, specialized area located at the center of the retina in the eye. Derived from Latin words meaning "yellow spot," it is characterized by a distinct yellow pigment that gives it its name. This area measures approximately 5.5 millimeters in diameter and plays a crucial role in visual acuity and color perception.
The macula lutea contains a high concentration of two types of photoreceptor cells known as cones. These cones are responsible for detecting and interpreting fine details, as well as perceiving colors. Among the cones found in the macula lutea, one particular subtype called the foveal cones are highly concentrated, enhancing our central vision and overall visual acuity.
Moreover, the macula lutea has a unique anatomical structure due to its high density of pigment cells. These cells help absorb excess light and reduce glare, optimizing the quality of incoming visual information. Additionally, the macula lutea is surrounded by blood vessels that supply nutrients and oxygen to maintain its functionality.
Given its central position within the retina, any damage or deterioration to the macula lutea can result in impaired central vision, known as macular degeneration. This condition can lead to difficulties in reading, recognizing faces, and performing other tasks that require sharp vision. Regular eye examinations and maintaining overall eye health are vital to prevent or manage macular degeneration and preserve the optimal functioning of the macula lutea.
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Yellow spot, a small orange-yellow area on the inner surface of the retina at a point corresponding to the posterior pole of the eyeball, and therefore in the visual axis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MACULA LUTEA
- nacula lutea
- kacula lutea
- jacula lutea
- mzcula lutea
- mscula lutea
- mwcula lutea
- mqcula lutea
- maxula lutea
- mavula lutea
- mafula lutea
- madula lutea
- macyla lutea
- machla lutea
- macjla lutea
- macila lutea
- mac8la lutea
- mac7la lutea
- macuka lutea
- macupa lutea
Etymology of MACULA LUTEA
The word "Macula Lutea" has Latin origins. "Macula" translates to "spot" or "stain", while "Lutea" translates to "yellow". Therefore, "Macula Lutea" can be translated as "yellow spot" or "yellow stain" in Latin. This term is used to refer to the central part of the retina in the human eye, which appears yellow due to a high concentration of yellow pigment.
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