paracentraladj.

Brit.

/ˌparəˈsɛntr(ə)l/, U.S.

/ˌpɛrəˈsɛntr(ə)l/

Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: para- prefix¹, central adj.

Etymology: < para- prefix¹ + central adj., after scientific Latin paracentralis (in lobulus paracentralis, V. A. Betz 1874, in Centralbl. f. med. Wissenschaften 8 Aug. 596). Compare French paracentral (1876 or earlier).

Located beside the centre or a central structure; spec. (a) Anatomy designating or relating to an area of the cerebral cortex located on the medial aspect of the parietal lobe beside the central fissure (esp. in paracentral lobule); (b) Medicine designating or relating to the part of the retina beside the fovea; parafoveal.

ΘΚΠ

the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [adjective] > fissure

subcentral1828

paracentral1878

Rolandic1878

transinsular1889

transtemporal1889

1878 A. M. Hamilton Nerv. Dis. 61 The meningitis was..localized on two convolutions, the anterior and posterior marginal near the paracentral lobe.

1881 Brain 4 239 A constant lobule exists in man and the higher apes upon the median aspect of the hemisphere at the extremity of the central gyri, which he [sc. Betz] names the paracentral lobule.

1925 Brit. Jrnl. Ophthalmol. 9 53 Frequently [in macular disease] the paracentral or parafoveal elements are mainly involved.

1954 Proc. Royal Soc. B. 142 220 Cases of infantile hemiplegia in the region of the paracentral lobule.

1968 Science 7 June 1130 The toxoplasmas replicate in paracentral rosettes surrounded by host cell mitochondria.

1984 Jrnl. Compar. Neurol. 222 209 The main subdivisions of the auditory tectum are the central nucleus, the cortex, and the paracentral nuclei.

1990 Brain 113 493 Two had scotomata extending from the fovea to 10° eccentricity and the third had a paracentral scotoma extending from 2.5° to 10° eccentricity.

2000 Amer. Jrnl. Ophthalmol. 129 382 A 36-year-old white woman in good health developed a paracentral keratitis in her right eye.

Derivatives

paraˈcentrally adv.

ΚΠ

1968 Brain 91 325 This target was seen centrally, a few degrees paracentrally and inferiorly to the midtemporal region but not superiorly.

1979 Proc. Royal Soc. 204 420 Paracentrally recorded receptive field disparities would have a standard deviation.

1995 Proc. National Acad. Sci. U.S.A. 92 10750/2 The half-turn insert is located paracentrally in the ncp [= nucleosomal core particle].

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

单词	paracentral
释义	paracentraladj. Brit. /ˌparəˈsɛntr(ə)l/, U.S. /ˌpɛrəˈsɛntr(ə)l/ Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: para- prefix¹, central adj. Etymology: < para- prefix¹ + central adj., after scientific Latin paracentralis (in lobulus paracentralis, V. A. Betz 1874, in Centralbl. f. med. Wissenschaften 8 Aug. 596). Compare French paracentral (1876 or earlier). Located beside the centre or a central structure; spec. (a) Anatomy designating or relating to an area of the cerebral cortex located on the medial aspect of the parietal lobe beside the central fissure (esp. in paracentral lobule); (b) Medicine designating or relating to the part of the retina beside the fovea; parafoveal. ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [adjective] > fissure subcentral1828 paracentral1878 Rolandic1878 transinsular1889 transtemporal1889 1878 A. M. Hamilton Nerv. Dis. 61 The meningitis was..localized on two convolutions, the anterior and posterior marginal near the paracentral lobe. 1881 Brain 4 239 A constant lobule exists in man and the higher apes upon the median aspect of the hemisphere at the extremity of the central gyri, which he [sc. Betz] names the paracentral lobule. 1925 Brit. Jrnl. Ophthalmol. 9 53 Frequently [in macular disease] the paracentral or parafoveal elements are mainly involved. 1954 Proc. Royal Soc. B. 142 220 Cases of infantile hemiplegia in the region of the paracentral lobule. 1968 Science 7 June 1130 The toxoplasmas replicate in paracentral rosettes surrounded by host cell mitochondria. 1984 Jrnl. Compar. Neurol. 222 209 The main subdivisions of the auditory tectum are the central nucleus, the cortex, and the paracentral nuclei. 1990 Brain 113 493 Two had scotomata extending from the fovea to 10° eccentricity and the third had a paracentral scotoma extending from 2.5° to 10° eccentricity. 2000 Amer. Jrnl. Ophthalmol. 129 382 A 36-year-old white woman in good health developed a paracentral keratitis in her right eye. Derivatives paraˈcentrally adv. ΚΠ 1968 Brain 91 325 This target was seen centrally, a few degrees paracentrally and inferiorly to the midtemporal region but not superiorly. 1979 Proc. Royal Soc. 204 420 Paracentrally recorded receptive field disparities would have a standard deviation. 1995 Proc. National Acad. Sci. U.S.A. 92 10750/2 The half-turn insert is located paracentrally in the ncp [= nucleosomal core particle]. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < adj.1878
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