| 释义 |
foveal, a.|ˈfəʊvɪəl|
[f. fovea + -al1.]
Of or pertaining to or situated in a fovea.
1889in Cent. Dict. 1904Westm. Gaz. 15 June 1/3 In the fovea centralis there are cones only, so that in direct or foveal vision the rods are out of play. 1931Brit. Jrnl. Psychol. Jan. 286 Some persons possess a quite appreciable proportion of foveal rods. 1962H. C. Weston Sight, Light & Work (ed. 2) i. 4 Each of these foveal cones has its own separate nerve path to the brain. 1966M. Kabrisky Proposed Model Visual Information Processing Human Brain ii. 19 The 100,000 foveal receptors are allocated about 100,000 channels in the optic nerve, leaving the rest of the 125 million receptors only about 900,000 channels. |