gyrus$33311$ - définition. Qu'est-ce que gyrus$33311$
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Qu'est-ce (qui) est gyrus$33311$ - définition

PART OF THE BRAIN WITHIN THE CEREBRAL CORTEX
Cingulate gyrus; Gyrus cinguli
  • Brodmann areas of a medial section of the right hemisphere.
  • [[Coronal section]] of brain. Cingulate cortex is shown in yellow.
  • Sagittal MRI slice with highlighting indicating location of the cingulate cortex.
  • HE]]-[[LFB stain]].

Gyrus         
  • Gray's]] FIG. 726 – Lateral surface of left [[cerebral hemisphere]], viewed from the side
  • Gray's]] Fig. 727 – Medial surface of left cerebral hemisphere
OUTWARD FOLD ON THE BRAIN SURFACE
Gyri; Gyral; Gyri (neuroanatomy); Gyrus (neuroanatomy); Cerebral gyri; Gyrencephalic
·noun A convoluted ridge between grooves; a convolution; as, the gyri of the brain; the gyri of brain coral. ·see Brain.
Straight gyrus         
Gyrus rectus; Straight gyri
The portion of the inferior frontal lobe immediately adjacent to the longitudinal fissure (and medial to the medial orbital gyrus and olfactory tract) is named the straight gyrus,(or gyrus rectus) and is continuous with the superior frontal gyrus on the medial surface.
Cingulate cortex         
The cingulate cortex is a part of the brain situated in the medial aspect of the cerebral cortex. The cingulate cortex includes the entire cingulate gyrus, which lies immediately above the corpus callosum, and the continuation of this in the cingulate sulcus.

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Cingulate cortex

The cingulate cortex is a part of the brain situated in the medial aspect of the cerebral cortex. The cingulate cortex includes the entire cingulate gyrus, which lies immediately above the corpus callosum, and the continuation of this in the cingulate sulcus. The cingulate cortex is usually considered part of the limbic lobe.

It receives inputs from the thalamus and the neocortex, and projects to the entorhinal cortex via the cingulum. It is an integral part of the limbic system, which is involved with emotion formation and processing, learning, and memory. The combination of these three functions makes the cingulate gyrus highly influential in linking motivational outcomes to behavior (e.g. a certain action induced a positive emotional response, which results in learning). This role makes the cingulate cortex highly important in disorders such as depression and schizophrenia. It also plays a role in executive function and respiratory control.