单词 | pure-cone |
释义 | > as lemmaspure-cone pure-cone adj. Zoology (of an animal, or its eye or retina) having only cones as photoreceptors. ΘΚΠ the world > animals > animal body > general parts > head and neck > [adjective] > having an eye or eyes > having cones as photoreceptors pure-cone1932 1932 Bull. Antivenin Inst. Amer. 5 69/1 The pure-cone reptilian eye not being subject to dazzle at ordinary intensities is served quite well by a round pupil, while a rod-and-cone eye such as that of the rattlesnake must have an elliptical pupil. 1962 Science Survey 3 243 One of the American ground squirrels, one of the few mammalian species known to have a pure-cone retina and to be strongly diurnal. 1997 Vision Res. 37 1867 In the pure-cone American chameleon retina, all visual opsins including rod opsin are expressed. < as lemmas |
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