单词 | macular |
释义 | macularadj. Chiefly Biology and Medicine. Of or relating to maculae or macules; characterized by the presence of maculae or macules. Also: of, relating to, or involving the macula of the retina (see also Compounds). ΘΚΠ the world > health and disease > ill health > blemish > [adjective] > spot or mark maple-faced1608 flesh-marked1682 macular1686 punctiform1839 motley1843 petechiate1890 liver-spotted1955 the world > life > the body > sense organ > sight organ > parts of sight organ > [adjective] > retina > other parts of retina Müllerian1860 cilio-retinal1877 myoid1907 macular1909 lentoid1940 1686 J. Goad Astro-meteorologica ii. viii. 266 The ☉ labours, and is disturbed at such times, as the Learned Writers of the Macular Observations conclude, Scheiner and Hevelius. 1772 A. Oliver Ess. Comets i. 14 That the Sun has an atmosphere, and that proportioned to his amazing magnitude, is rendered highly probable by the macular appearances, or spots frequently discovered upon his disc. 1806 W. Turton tr. C. Linnaeus Gen. Syst. Nature III. 20 Wings obtusely tailed, brown with a yellow band and macular streaks. 1834 S. Cooper Good's Study Med. (ed. 4) IV. Index 565/2 Macular Skin. 1867 D. Lardner & E. Dunkin Handbk. Astron. (ed. 3) xii. 168 The [solar] equator itself and this space which thus separates the macular zones, are absolutely divested of such phenomena. 1897 Brit. Birds 2 175 Slightly macular along its inferior margin. 1900 Archives Surg. 11 46 Macular leprosy. 1909 M. Greenwood in L. Hill Further Adv. Physiol. 397 If there is a good deal of macular pigmentation the mixed light undergoes selective absorption. 1932 S. Zuckerman Social Life Monkeys & Apes x. 166 Monkeys have hands and, what the handed prosimiæ lack, macular vision to guide their manipulations. 1961 R. D. Baker Essent. Pathol. iv. 49 In Tay–Sachs disease..lipids are collected in ganglion cells..and in the macula of the retina (macular star). 1991 Lancet 21 Dec. 1593/2 10 years later he was admitted to a medical ward with a widespread scaly macular rash. Compounds macular degeneration n. Medicine degenerative change involving the macula of the retina; any of various ophthalmological conditions characterized by this, esp. a form seen with ageing. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > [noun] > disorders of retina retinitis1821 retinitis pigmentosa1859 retinal detachment1860 detached retina1863 choroido-retinitis1869 neuroretinitis1878 chorioretinitis1880 pseudoglioma1884 macular degeneration1918 retinoblastoma1924 pseudofovea1925 retinopathy1930 RP1975 Rb1976 1918 J. H. Parsons Dis. Eye (ed. 3) xvii. 340 Similar macular degeneration has been seen as an hereditary disease without cerebral deterioration. 1967 Arch. Neurol. (Chicago) 16 4/1 Funduscopic examination revealed pigmentary clumping in both retinae suggestive of macular degeneration. 1993 Albuquerque (New Mexico) Jrnl. 25 Jan. b2/2 They have macular degeneration, an eye disease that can lead to blindness. macular sparing n. Medicine retention of macular (central) vision with loss of peripheral vision, esp. in cases of homonymous hemianopsia; cf. macula-sparing adj. at macula n. Compounds 2. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > limited visual field hemiopia1811 scotoma1821 concentric contraction1858 hemianopia1882 hemianopsia1883 field defect1884 quadrantanopia1909 quadrantanopsia1910 macular sparing1940 tunnel vision1949 1916 Brain 39 37 Others have attempted to explain the macular escape in hemianopia by assuming that the two cortical macular centres are connected by callosal commissural fibres. 1932 Brain 55 504 We conclude that..macular fibres are more frequently spared in purely occipital tumours.] 1940 Arch. Ophthalmol. 24 963 A lesion of the occipital lobe may result in macular sparing. 1993 J. N. Walton Brain's Dis. Nerv. Syst. (ed. 10) 83 It has been suggested..that the rich vascular supply of the striate cortex is solely responsible for the phenomenon of ‘macular sparing’. However..the work..clearly demonstrates that the macula is bilaterally represented to some extent. This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022). < adj.1686 |
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