convolution

convolution
1. A coiling or rolling of an organ. 2. Specifically, a gyrus of the cerebral or cerebellar cortex. [L. convolutio]
- angular c. SYN: angular gyrus.
- anterior central c. SYN: precentral gyrus.
- ascending frontal c. SYN: precentral gyrus.
- ascending parietal c. SYN: postcentral gyrus.
- callosal c. SYN: cingulate gyrus.
- cingulate c. SYN: cingulate gyrus.
- first temporal c. SYN: superior temporal gyrus.
- hippocampal c. SYN: parahippocampal gyrus.
- inferior frontal c. SYN: inferior frontal gyrus.
- middle frontal c. SYN: middle frontal gyrus.
- middle temporal c. SYN: middle temporal gyrus.
- posterior central c. SYN: postcentral gyrus.
- second temporal c. SYN: middle temporal gyrus.
- superior frontal c. SYN: superior frontal gyrus.
- supramarginal c. SYN: supramarginal gyrus.
- third temporal c. SYN: inferior temporal gyrus.
- transitional c. SYN: transitional gyrus.
- transverse temporal convolutions SYN: transverse temporal gyri, under gyrus.
- Zuckerkandl c. SYN: subcallosal gyrus.

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con·vo·lu·tion .kän-və-'lü-shən n any of the irregular ridges on the surface of the brain and esp. of the cerebrum called also gyrus compare SULCUS
con·vo·lu·tion·al -shnəl, -shən-əl adj

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n.
a folding or twisting, such as one of the many that cause the fissures, sulci, and gyri of the surface of the cerebrum.

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con·vo·lu·tion (kon″vo-looґshən) [L. convolutus rolled together] a tortuous irregularity or elevation caused by a structure being infolded upon itself; see gyri cerebri, under gyrus. convolutional, convolutionary adj

Medical dictionary. 2011.

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  • convolution — [ kɔ̃vɔlysjɔ̃ ] n. f. • 1762 « action de s enrouler autour »; fin XIVe convolucion; du lat. convolutus → convoluté ♦ Math. Opération mathématique de combinaison de deux fonctions. Le produit de convolution de deux fonctions réelles f et g de la… …   Encyclopédie Universelle

  • Convolution — Con vo*lu tion, n. 1. The act of rolling anything upon itself, or one thing upon another; a winding motion. [1913 Webster] O er the calm sea, in convolution swift, The feathered eddy floats. Thomson. [1913 Webster] 2. The state of being rolled… …   The Collaborative International Dictionary of English

  • convolution — index complex (entanglement), digression, distortion, involution Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • convolution — (n.) 1540s, from L. convolutus, pp. of convolvere to roll together, from com together (see COM (Cf. com )) + volvere to roll (see VULVA (Cf. vulva)) …   Etymology dictionary

  • convolution — [n] loop, spiral coil, coiling, complexity, contortion, curlicue, flexing, gyration, helix, intricacy, involution, serpentine, sinuosity, sinuousness, snaking, swirl, tortuousness, twist, undulation, winding; concept 436 Ant. line, straightness …   New thesaurus

  • convolution — ► NOUN 1) a coil or twist. 2) the state of being or process of becoming coiled or twisted. 3) a complex argument, statement, etc. DERIVATIVES convolutional adjective. ORIGIN Latin, from convolvere roll together …   English terms dictionary

  • convolution — [kän΄və lo͞o′shən] n. [ML convolutio < L convolutus, pp. of convolvere: see CONVOLVE] 1. a twisting, coiling, or winding together 2. a convoluted condition 3. a fold, twist, or coil of something convoluted; specif., any of the irregular folds… …   English World dictionary

  • Convolution — For the usage in formal language theory, see Convolution (computer science). Convolution of two square pulses: the resulting waveform is a triangular pulse. One of the functions (in this case g) is first reflected about τ = 0 and then offset by t …   Wikipedia

  • Convolution — (Roget s Thesaurus) >Complex curvature. < N PARAG:Convolution >N GRP: N 1 Sgm: N 1 winding winding &c. >V. Sgm: N 1 convolution convolution involution circumvolution Sgm: N 1 wave wave undulation tortuosity anfractu …   English dictionary for students

  • Convolution — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « Convolution », sur le Wiktionnaire (dictionnaire universel) Le terme convolution désigne deux types d… …   Wikipédia en Français

  • convolution — con|vo|lu|tion [ˌkɔnvəˈlu:ʃən US ˌka:n ] n [C usually plural] 1.) the complicated details of a story, explanation etc, which make it difficult to understand convolution of ▪ the endless convolutions of the plot 2.) a fold or twist in something… …   Dictionary of contemporary English

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