| 单词 | fovea centralis |
| 释义 | > as lemmasfovea centralis A small depression or pit; esp. a depression of the retina of the eye; fovea centralis, the fovea of the retina. ΘΚΠ the world > life > the body > sense organ > sight organ > parts of sight organ > [noun] > retina > fovea fovea1849 foveola1849 parafovea1933 perifovea1963 1849 Johnston in Hist. Berwickshire Naturalists' Club 2 No. 7. 364 A..furrow..beginning behind the eye..terminating in a deeper fovea, and with a foveola near the centre. 1858 H. Gray Anat. 560 In the centre of the posterior part of the globe, the retina presents a yellow spot..having a central depression, fovea centralis. 1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 480 In consequence of cell-division..the sporangium soon appears as a swelling in the fovea. 1924 R. M. Ogden tr. K. Koffka Growth of Mind iii. 71 The eye is turned until the fixated object falls upon the place of clearest vision lying at the centre of the retina (the fovea centralis). 1970 T. S. Leeson & C. R. Leeson Histol. (ed. 2) xx. 488 The fovea centralis is a shallow, rounded pit lying 4 mm. to the temporal side of the optic disk. < as lemmas |
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