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- Cuneus (Latin for "wedge"; plural, cunei) is also the architectural term applied to the wedge-shaped divisions of the Roman theatre separated by the scalae or stairways; see Vitruvius v. 4.
The cuneus is a portion of the human brain in the occipital lobe.
| Brain: telencephalon (cerebrum, cerebral cortex, cerebral hemispheres) |
|---|
| Frontal lobe | Precentral gyrus (Primary motor cortex, 4)
Superior frontal gyrus/Frontal eye fields (6, 8, 9), Middle frontal gyrus (46), Inferior frontal gyrus/Broca's area (44-Pars opercularis, 45-Pars triangularis)
Orbitofrontal cortex (10, 11, 12, 47)
Prefrontal cortex, Premotor cortex
Precentral sulcus - Superior frontal sulcus - Inferior frontal sulcus - Olfactory sulcus |
|---|
| Parietal lobe | Somatosensory cortex (Primary (1, 2, 3, 43), Secondary (5)), Precuneus (7m) - Parietal operculum
Parietal lobules (Superior (7l), Inferior (40)), Angular gyrus (39)
Intraparietal sulcus, Marginal sulcus |
|---|
| Occipital lobe | Primary visual cortex (17), (Cuneus, Lingual gyrus, Lateral occipital gyrus (18, 19))
Calcarine fissure |
|---|
| Temporal lobe | Primary auditory cortex (41, 42), Superior temporal gyrus (38, 22/Wernicke's area), Middle temporal gyrus (21), Inferior temporal gyrus (20)
Fusiform gyrus (37) Medial temporal lobe (Amygdala, Parahippocampal gyrus (27, 28, 34, 35, 36) |
|---|
| Cingulate cortex/gyrus | Subgenual area (25), Anterior cingulate (24, 32, 33), Posterior cingulate (23, 31), Retrosplenial cortex (26, 29, 30)
Callosal sulcus |
|---|
| Interlobar sulci/fissures | lateral: Central (frontal+parietal), Lateral (frontal+parietal+temporal), Parietoöccipital
medial: Medial longitudinal, Cingulate (frontal+cingulate), Collateral (temporal+occipital) |
|---|
| White matter tracts | Commissural fibers - Association fibers
Internal capsule (Anterior limb, Genu, Posterior limb), Corona radiata, External capsule, Lamina terminalis, Extreme capsule, Semioval center
Olfactory tract, Terminal stria |
|---|
| Other | Insular cortex
gray: Olfactory bulb, Anterior olfactory nucleus, Basal optic nucleus of Meynert, Substantia innominata, Anterior perforated substance
Corpus striatum - Limbic lobe |
|---|
| Some categorizations are approximations, and some Brodmann areas span gyri. |
This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.Template:Architecture-stub
