| 释义 |
Definition of macula in English: maculanounPlural maculae ˈmakjʊləˈmækjələ 1Anatomy
An oval yellowish area surrounding the fovea near the centre of the retina in the eye, which is the region of keenest vision. Example sentencesExamples - When we gaze directly at an object, we hold our eyes in such a position that the image of the object falls on the central, specialized region of the retina - the fovea or macula - where visual acuity and colour vision are best.
- Visual results are best if the retinal detachment is repaired before the macula (the center region of the retina responsible for fine, detailed vision) detaches.
- If these patches become large and involve the very center of the macula (the fovea), the individual's visual acuity can fall to the point that they are considered legally blind.
- The macula lutea or ‘yellow spot’ in the retina is responsible for central vision and visual acuity.
- The vision loss results from loss of function of the macula, the centre of the retina, which is responsible for central visual tasks such as reading, driving, and recognising faces.
2 another term for macule Example sentencesExamples - We report here a 62-year-old seemingly healthy patient who presented with disseminated erythematous maculae.
- On examination, only pallor of mucosae and chronic orange‐purple tibial skin maculae were present.
- The process is characterized by dirty grayish or ash-gray-colored maculae on the skin of the trunk and limbs.
Synonyms spot, dot, fleck, mark, speck, speckle, smudge, splash, stain, macule
Origin Late Middle English: from Latin. Definition of macula in US English: maculanounˈmækjələˈmakyələ 1Anatomy
An oval yellowish area surrounding the fovea near the center of the retina in the eye, which is the region of keenest vision. Example sentencesExamples - The vision loss results from loss of function of the macula, the centre of the retina, which is responsible for central visual tasks such as reading, driving, and recognising faces.
- When we gaze directly at an object, we hold our eyes in such a position that the image of the object falls on the central, specialized region of the retina - the fovea or macula - where visual acuity and colour vision are best.
- Visual results are best if the retinal detachment is repaired before the macula (the center region of the retina responsible for fine, detailed vision) detaches.
- The macula lutea or ‘yellow spot’ in the retina is responsible for central vision and visual acuity.
- If these patches become large and involve the very center of the macula (the fovea), the individual's visual acuity can fall to the point that they are considered legally blind.
2 another term for macule Example sentencesExamples - On examination, only pallor of mucosae and chronic orange‐purple tibial skin maculae were present.
- We report here a 62-year-old seemingly healthy patient who presented with disseminated erythematous maculae.
- The process is characterized by dirty grayish or ash-gray-colored maculae on the skin of the trunk and limbs.
Synonyms spot, dot, fleck, mark, speck, speckle, smudge, splash, stain, macule
Origin Late Middle English: from Latin. |