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Sulcus, Gyrus, Interhemispheric fissure

Gyrus (plural gyri) is a ridge on the cerebral cortex.

Sulcus (plural sulci) is a groove that separates gyri.

The cerebral hemispheres are separated by a median cleft: the inherhemispheric fissure (great longitudinal fissure). The falx cerebri (cerebral falx) is a fold of dura mater which lies within inherhemispheric fissure

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  • falx cerebri. Image 1

    previous. next. MRI of the brain, T1-weighted coronal cut.
    1, Sulcus. 2, Gyrus. 3, Falx cerebri. 4, Temporal lobe (Left side). 5, Temporal lobe (Right side).

  • falx cerebri. Image 2

    previous. next. MRI of the brain, T1-weighted coronal cut.
    1, Gyrus. 2, Sulcus. 3, Interhemispheric fissure. 4, Temporal lobe (Left side). 5, Temporal lobe (Right side).

  • Interhemispheric fissure. Image 3

    previous. next. MRI of the brain, T2-weighted coronal cut.
    1, Gyrus. 2, Sulcus. 3, Interhemispheric fissure. 4, Temporal lobe (Left side). 5, Temporal lobe (Right side).

  • Tentorium cerebelli. Image 4

    previous. next. MRI of the brain, T1-weighted coronal cut.
    1, Tentorium cerebelli. 2, Gyrus. 3, Sulcus. 4, Cerebellum.

  • Tentorium cerebelli. Image 5

    previous. next. MRI of the brain, T2-weighted coronal cut.
    1, Gyrus. 2, Sulcus. 3, Tentorium cerebelli. 4, Cerebellum.

  • Tentorium cerebelli. Image 6

    previous. next. MRI of the brain, T1-weighted sagittal cut.
    1, Occipital lobe. 2, Tentorium cerebelli. 3, Cerebellum. 4, Midbrain.

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