gyrus

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gy·rus

 (jī′rəs)
n. pl. gy·ri (-rī′)
A rounded ridge, as on the surfaces of the cerebral hemispheres.

[Latin gȳrus, circle; see gyre.]

gyrus

(ˈdʒaɪrəs)
n, pl gyri (ˈdʒaɪraɪ)
another name for convolution3
[C19: from Latin; see gyre]

gy•rus

(ˈdʒaɪ rəs)

n., pl. gy•ri (ˈdʒaɪ raɪ)
a convoluted fold of the brain.
[1835–45; < Latin gȳrus; see gyre]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gyrus - a convex fold or elevation in the surface of the brain
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
frontal gyrus - any of the convolutions of the outer surface of the frontal lobe of the cerebrum
temporal gyrus - any of the convolutions of the outer surface of the temporal lobe of the cerebrum
parietal gyrus - any of the convolutions of the outer surface of the parietal lobe of the cerebrum
occipital gyrus - any of the convolutions of the outer surface of the occipital lobe of the cerebrum
cerebrum - anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans
central gyrus - either of two gyri on either side of the central sulcus
Translations

gy·rus

n. L. circunvolución, porción elevada de la corteza cerebral;
Broca's ______ de Broca, tercera, frontal inferior;
frontal, superior ______ frontal superior;
inferior, lateral occipital ______ occipital inferior lateral;
superior occipital ______ occipital superior.
References in periodicals archive ?
Compared with the normal elderlies, ReHo values decreased in aMCI patients in the left temporal lobe (middle temporal gyrus and inferior temporal gyrus), left parahippocampal gyrus, occipital lobe, lingual gyrus, precuneus, and other regions (P<0.05; Figure 3, Table 1), while ReHo values increased in the right side frontal lobe (inferior frontal gyrus), left superior temporal gyrus, precentral gyrus (frontal lobe), right thalamus, the left fusiform gyrus, and other regions (P<0.05; Figure 4, Table 2).
After the speech, the inferior frontal and middle temporal gyrus in the left hemisphere and the left cuneus the right precuneus and supramarginal turn in both hemispheres were activated.
The ALFF of the middle temporal gyrus of the NDS patients was significantly reduced and was negatively related to the P3b latency of P300.
[sup.18]F-FDG: fludeoxyglucose F 18; AD: Alzheimer's disease; CN: cognitively normal; STG: superior temporal gyrus; BA: Brodmann area; MTG: middle temporal gyrus; ITG: inferior temporal cortex; PCC: posterior cingulate cortex; MFG: medial frontal gyrus; ACC: anterior cingulate cortex; SPL: superior parietal lobe; IFG: inferior frontal gyrus.
Significant volume reduction in converters was also observed in the precentral gyrus, superior frontal gyrus, middle temporal gyrus, and nucleus accumbens at the first two visits.
Furthermore, lateralized cortical decreases were observed in the right middle frontal gyrus, inferior frontal gyrus, precentral gyrus, superior temporal gyrus, thalamus, and putamen and in the left cuneus, precuneus, cingulate gyrus, fusiform gyrus, middle temporal gyrus, and medial frontal gyrus.
In contrast to Examples 2 and 3, tau pathology confirms abundant neurofibrillary tangle pathology, including within anterior cingulate cortex (G), temporal neocortex of middle temporal gyrus (H), and primary visual area (I).
Researchers found that two regions could be attributed to binge drinking: the (http://www.ruf.rice.edu/~lngbrain/cglidden/dien.html) ventral diencephalon (which helps process sensory information and regulates hormones), and (https://www.dnalc.org/view/2116-Middle-and-Inferior-Temporal-Gyri-.html) middle temporal gyrus (which assists with cognitive processing).
The handmade brain model showing several structures, such as (1) superior frontal gyrus; (2) middle frontal gyrus; (3) inferior frontal gyrus; (4) precentral gyrus; (5) postcentral gyrus; (6) superior parietal lobule; (7a) inferior parietal lobule--supramarginal gyrus; (7b) inferior parietal lobule angular gyrus; (8) superior temporal gyrus; (9) middle temporal gyrus and; (10) inferior temporal gyrus.
Neural correlates related with higher order cognitions and empathy converge in bilateral temporal-parietal junction, dorsal medial PC, and middle temporal gyrus which form a shared network which is involved in social-cognitive processes.
Brain regions related to TPN include the bilateral anterior intraparietal sulcus (AIPS), bilateral inferior parietal lobule, insula, middle temporal gyrus, supplementary motor area (SMA), and frontal eye field [30].
Source: own work TABLE 2 Coordinates of activation for Task 2 shown by group, the cluster with a significant difference between groups is shown Region Name K t-value X Y Z Controls R Inferior Temporal Gyrus 518 9.152 46 -66 0 L Inferior Temporal Gyrus 302 7.488 -46 -70 0 R Middle Temporal Gyrus 160 6.175 62 -40 10 L Cerebelum (Crus 1) 22 6.137 -16 -82 -16 R Precentral Gyrus 35 5.611 44 4 36 R Postcentral Gyrus 56 5.573 44 -36 56 L Precentral Gyrus 22 5.268 -42 0 48 Mild TBI L Inferior Occipital Gyrus 210 7.726 -44 -64 -8 R Inferior Temporal Gyrus 181 7.557 46 -66 0 R Superior Temporal Gyms 74 5.952 50 -40 14 R Precentral Gyrus 14 5.407 48 2 38 LIFG (p.

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