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etimologia

Cosa (chi) è Macula - definizione

OVAL-SHAPED PIGMENTED AREA NEAR THE CENTER OF THE RETINA

Maculae; Macula lutea; Macula Lutea; Yellow spot; Yellow-spot; Macula of the retina; Yellow spots; Macula of retina

Macula

·noun A rather large spot or blotch of color.

II. Macula ·noun A spot, as on the skin, or on the surface of the sun or of some other luminous orb.

macula

['makj?l?]

¦ noun (plural maculae -li:)

1. another term for macule.

2. (also macula lutea) 'lu:t?? (plural maculae luteae) -t?i: Anatomy an oval yellowish area surrounding the fovea near the centre of the retina in the eye, which is the region of keenest vision.

Derivatives

macular adjective

Origin

ME: from L., 'spot'.

Macula of retina

The macula (/ˈmakjʊlə/) or macula lutea is an oval-shaped pigmented area in the center of the retina of the human eye and in other animals. The macula in humans has a diameter of around and is subdivided into the umbo, foveola, foveal avascular zone, fovea, parafovea, and perifovea areas.

https://en.wikipedia.org/wiki/Macula_of_retina

Wikipedia

Macula

The macula (/ˈmakjʊlə/) or macula lutea is an oval-shaped pigmented area in the center of the retina of the human eye and in other animals. The macula in humans has a diameter of around 5.5 mm (0.22 in) and is subdivided into the umbo, foveola, foveal avascular zone, fovea, parafovea, and perifovea areas.

The anatomical macula at a size of 5.5 mm (0.22 in) is much larger than the clinical macula which, at a size of 1.5 mm (0.059 in), corresponds to the anatomical fovea.

The macula is responsible for the central, high-resolution, color vision that is possible in good light; and this kind of vision is impaired if the macula is damaged, for example in macular degeneration. The clinical macula is seen when viewed from the pupil, as in ophthalmoscopy or retinal photography.

The term macula lutea comes from Latin macula, "spot", and lutea, "yellow".

https://en.wikipedia.org/wiki/Macula

Esempi dal corpus di testo per Macula

1. AMD affects the macula – the part of the eye that allows you to see fine detail.

2. The disorder leads to a weakening or breakdown of the cells in the macula, or the bull‘s–eye of the retina crucial for the straight–ahead vision needed to read, watch television and recognize faces.

3. We don‘t know what exactly will happen or how much time it will take until she goes blind, but the situation is not good.‘" Advertisement Best‘s disease can be diagnosed in children from the age of three and shows as damage to the macula, the tiny, highly sensitive area at the center of the retina.

4. Dr Saihan explained that because no retinal scans were taken in the week prior to my embarking on the therapy, there was "no proof that the cystic swelling at the macula had not resolved of its own accord over the past year anyway". The UK‘s leading RP specialist and long–time consultant at the retinal clinic at Moorfields, Professor Alan Bird, added that it was not possible to attribute with certainty the change in my vision to the Gerson Therapy because spontaneous variations to macular oedema do occur and have been seen in the past.