gyrus

English

Etymology

From Latin gȳrus (“circle”), from Ancient Greek γῦρος (gûros). Doublet of gyro and gyre.

Pronunciation

• IPA^(key): /ˈdʒaɪɹəs/

Noun

gyrus (plural gyri or gyruses)

1. (anatomy) A ridge or fold on the cerebral cortex.

Derived terms

• cingulate gyrus
• dentate gyrus
• fornicate gyrus
• frontal gyrus
• fusiform gyrus
• gyriform

• hippocampal gyrus
• inferior frontal gyrus
• infracalcarine gyrus
• lingual gyrus
• microgyria
• macrogyria
• middle frontal gyrus

• occipital gyrus
• occipitotemporal gyrus
• orbital gyrus
• parahippocampal gyrus
• polygyria
• polymicrogyria
• postcentral gyrus

• precentral gyrus
• superior frontal gyrus
• superior temporal gyrus
• supramarginal gyrus
• temporal gyrus
• transverse temporal gyrus

Translations

anatomy

• Belarusian: зві́ліна f (zvílina)
• Bulgarian: изви́вка (bg) f (izvívka)
• Catalan: circumvolució (ca) f
• Chinese:

  Mandarin: 腦回／脑回 (zh) (nǎohuí), 脑回 (zh) (nǎohuí), 回 (zh) (huí)

• Czech: závit (cs) m
• Dutch: gyrus m, hersenwinding f
• Finnish: aivopoimu
• French: circonvolution cérébrale (fr) f, gyrus (fr) m
• German: Gyrus (de) m
• (deprecated template usage) {{trans-mid}}
• Japanese: 脳回 (のうかい, nōkai)
• Korean: 뇌회 (noehoe)
• Portuguese: giro (pt) m, circunvolução f convolução f
• Russian: изви́лина (ru) f (izvílina)
• Serbo-Croatian:

  Cyrillic: вијуга f

  Roman: vijuga (sh) f

• Ukrainian: зви́вина f (zvývyna)
• Vietnamese: hồi não

See also

• sulcus

Anagrams

• surgy

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Latin

Alternative forms

• gīrus

Etymology

From Ancient Greek γῦρος (gûros)

Pronunciation

• (Classical Latin) IPA^(key): /ˈɡyː.rus/, [ˈɡyːrʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈd͡ʒi.rus/, [ˈd͡ʒiːrus]

Noun

gȳrus m (genitive gȳrī); second declension

1. circle
2. a circular motion
3. a circuit, course, ring
4. (by extension) place where horses are trained

Declension

Second-declension noun.

Case	Singular	Plural
Nominative	gȳrus	gȳrī
Genitive	gȳrī	gȳrōrum
Dative	gȳrō	gȳrīs
Accusative	gȳrum	gȳrōs
Ablative	gȳrō	gȳrīs
Vocative	gȳre	gȳrī

Derived terms

• gȳrō

Related terms

• gȳrātus

Descendants

• Aromanian: giur
• English: gyre, gyrus
• French: girolle
• Friulian: gîr

• Italian: giro
• Romanian: jur, girus
• Spanish: giro

References

• “gyrus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “gyrus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• gyrus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.