fovealadj.

Brit.

/ˈfəʊvɪəl/, U.S.

/ˈfoʊviəl/

Etymology: < fovea n. + -al suffix¹.

Of or pertaining to or situated in a fovea.

ΘΚΠ

the world > life > the body > sense organ > sight organ > parts of sight organ > [adjective] > retina > fovea

foveal1889

parafoveal1913

perifoveal1926

1889 in Cent. Dict.

1904 Westm. 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.

1931 Brit. Jrnl. Psychol. Jan. 286 Some persons possess a quite appreciable proportion of foveal rods.

1962 H. C. Weston Sight, Light & Work (ed. 2) i. 4 Each of these foveal cones has its own separate nerve path to the brain.

1966 M. 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.

This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022).

单词	foveal
释义	fovealadj. Brit. /ˈfəʊvɪəl/, U.S. /ˈfoʊviəl/ Etymology: < fovea n. + -al suffix¹. Of or pertaining to or situated in a fovea. ΘΚΠ the world > life > the body > sense organ > sight organ > parts of sight organ > [adjective] > retina > fovea foveal1889 parafoveal1913 perifoveal1926 1889 in Cent. Dict. 1904 Westm. 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. 1931 Brit. Jrnl. Psychol. Jan. 286 Some persons possess a quite appreciable proportion of foveal rods. 1962 H. C. Weston Sight, Light & Work (ed. 2) i. 4 Each of these foveal cones has its own separate nerve path to the brain. 1966 M. 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. This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022). < adj.1889
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