gyrusn.

/ˈdʒʌɪərəs/

Forms: Plural gyri

/ˈdʒaɪəraɪ/.

Etymology: Latin = circle, circuit, career, < Greek γῦρος ring, circle.

Anatomy.

A convoluted ridge between grooves or sulci; esp. a convolution of the brain. (See also quot. 1846².)

ΘΚΠ

the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cerebrum > hemisphere > convolutions and parts

circumvolution1578

convolution1615

crotchet1678

gyrus1842

subgyre1889

suboperculum1889

1842 R. Dunglison Med. Lexicon (ed. 3) Gyrus, anfractuosity, convolution.

1846 J. D. Dana U.S. Exploring Exped.: Zoophytes 171 Gyri 4 to 5 lines broad.

1846 J. D. Dana U.S. Exploring Exped.: Zoophytes Gloss. Gyrus, a trench together with the sides enclosing it; or, in massive species, the space between the middle of two ridges.

1859 R. Owen Lect. Classif. Mammalia 25 The superficies [of the cerebrum] is folded into more or less numerous gyri or convolutions.

1876 Trans. Clin. Soc. 9 66 The third occipital gyrus.

1887 Lancet 17 Sept. 586/2 The region of the angular gyrus..contains a centre for the raising of the upper eyelid of the opposite eye.

This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2018).

单词	gyrus
释义	gyrusn. /ˈdʒʌɪərəs/ Forms: Plural gyri /ˈdʒaɪəraɪ/. Etymology: Latin = circle, circuit, career, < Greek γῦρος ring, circle. Anatomy. A convoluted ridge between grooves or sulci; esp. a convolution of the brain. (See also quot. 1846².) ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cerebrum > hemisphere > convolutions and parts circumvolution1578 convolution1615 crotchet1678 gyrus1842 subgyre1889 suboperculum1889 1842 R. Dunglison Med. Lexicon (ed. 3) Gyrus, anfractuosity, convolution. 1846 J. D. Dana U.S. Exploring Exped.: Zoophytes 171 Gyri 4 to 5 lines broad. 1846 J. D. Dana U.S. Exploring Exped.: Zoophytes Gloss. Gyrus, a trench together with the sides enclosing it; or, in massive species, the space between the middle of two ridges. 1859 R. Owen Lect. Classif. Mammalia 25 The superficies [of the cerebrum] is folded into more or less numerous gyri or convolutions. 1876 Trans. Clin. Soc. 9 66 The third occipital gyrus. 1887 Lancet 17 Sept. 586/2 The region of the angular gyrus..contains a centre for the raising of the upper eyelid of the opposite eye. This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2018). < n.1842
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