perifovealadj.

Brit.

/ˌpɛrɪˈfəʊvɪəl/, U.S.

/ˌpɛrəˈfoʊviəl/

Origin: Formed within English, by derivation. Etymons: peri- prefix, foveal adj.

Etymology: < peri- prefix + foveal adj., after parafoveal adj.

Anatomy.

Designating or relating to the part of the retina regarded as the periphery of its central region, surrounding the parafovea.

ΘΚΠ

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

foveal1889

parafoveal1913

perifoveal1926

1926 Brit. Jrnl. Ophthalmol. 10 229 (heading) The perifoveal circulation.

1941 S. L. Polyak Retina xv. 196 From the axial center to the anterior retinal boundary there are..seven regions: the central area, composed of (I) central fovea, (II) parafoveal region, and (III) perifoveal region or areal periphery; [etc.].

1966 Jrnl. Physiol. 187 456 There is considerable antagonistic interaction between rod and cone signals at the ganglion cell layer in the perifoveal retina of dark-adapted monkeys.

1993 Nature 25 Feb. 720/2 If cortical allocation exactly mirrored the ganglion cell distribution across the retina, the ratio of perifoveal to peripheral cortical allocation should be 1.0.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	perifoveal
释义	perifovealadj. Brit. /ˌpɛrɪˈfəʊvɪəl/, U.S. /ˌpɛrəˈfoʊviəl/ Origin: Formed within English, by derivation. Etymons: peri- prefix, foveal adj. Etymology: < peri- prefix + foveal adj., after parafoveal adj. Anatomy. Designating or relating to the part of the retina regarded as the periphery of its central region, surrounding the parafovea. ΘΚΠ the world > life > the body > sense organ > sight organ > parts of sight organ > [adjective] > retina > fovea foveal1889 parafoveal1913 perifoveal1926 1926 Brit. Jrnl. Ophthalmol. 10 229 (heading) The perifoveal circulation. 1941 S. L. Polyak Retina xv. 196 From the axial center to the anterior retinal boundary there are..seven regions: the central area, composed of (I) central fovea, (II) parafoveal region, and (III) perifoveal region or areal periphery; [etc.]. 1966 Jrnl. Physiol. 187 456 There is considerable antagonistic interaction between rod and cone signals at the ganglion cell layer in the perifoveal retina of dark-adapted monkeys. 1993 Nature 25 Feb. 720/2 If cortical allocation exactly mirrored the ganglion cell distribution across the retina, the ratio of perifoveal to peripheral cortical allocation should be 1.0. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < adj.1926
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