Middle frontal gyrus

Middle frontal gyrus
Brain: Middle frontal gyrus
Middle frontal gyrus.png
Middle frontal gyrus of the human brain.
Gray743 middle frontal gyrus.png
Coronal section through anterior cornua of lateral ventricles.
Latin gyrus frontalis medius
Gray's subject #189 822
Part of Frontal lobe
Artery Middle cerebral
NeuroNames hier-66
NeuroLex ID birnlex_1451

The middle frontal gyrus makes up about one-third of the frontal lobe of the human brain. (A gyrus is one of the prominent "bumps" or "ridges" on the surface of the human brain.)

The middle frontal gyrus, like the inferior frontal gyrus and the superior frontal gyrus, is more of a region than a true gyrus.

The borders of the middle frontal gyrus are the inferior frontal sulcus below; the superior frontal sulcus above; and the precentral sulcus behind.

Additional images

  • Middle frontal gyrus(red).

  • Lateral surface of left cerebral hemisphere, viewed from above. Middle frontal gyrus is shown in orange.

  • Drawing to illustrate the relations of the brain to the skull.

  • Lateral view of a human brain, main gyri labeled.

  • Human brain - left and right hemispheres - superior-lateral view

v · d · eHuman brain: forebrain (cerebrum · cerebral cortex · cerebral hemispheres, grey matter) (TA A14.1.09.002–240, 301–320, GA 9.818–826)
Frontal lobe
Superolateral
Precentral
Precentral gyrus · Precentral sulcus
Medial/inferior
Precentral
Paracentral lobule (4) · Paracentral sulcus
Both
Parietal lobe
Superolateral
Medial/inferior
Both
Postcentral gyrus/primary somatosensory cortex (1 · 2 · 3) · Secondary somatosensory cortex (5) · Posterior parietal cortex (7)
Occipital lobe
Superolateral
Occipital pole of cerebrum · Lateral occipital gyrus (18, 19) · Lunate sulcus · Transverse occipital sulcus
Medial/inferior
Temporal lobe
Superolateral

Transverse temporal gyrus/Primary auditory cortex (41, 42) · Superior temporal gyrus (38, 22/Wernicke's area) · Middle temporal gyrus (21) · Inferior temporal gyrus (20)

Superior temporal sulcus · Inferior temporal sulcus
Medial/inferior

Fusiform gyrus (37) Medial temporal lobe (27 · 28 · 34 · 35 · 36)

Inferior temporal sulcus
Interlobar
sulci/fissures
Superolateral
Medial/inferior
Limbic lobe
anterior (Entorhinal cortex, Perirhinal cortex) · Posterior parahippocampal gyrus · Prepyriform area

Subgenual area (25) · Anterior cingulate (24, 32, 33) · Posterior cingulate (23, 31)

Isthmus of cingulate gyrus: Retrosplenial cortex (26, 29, 30)
Hippocampal formation
Hippocampal sulcus · Fimbria of hippocampus · Dentate gyrus · Rhinal sulcus
Other
Insular lobe
Long gyrus of insula · Short gyri of insula · Circular sulcus of insula
General
Some categorizations are approximations, and some Brodmann areas span gyri.

M: CNS

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noco(m/d/e/h/v/s)/cong/tumr, sysi/epon, injr

proc, drug(N1A/2AB/C/3/4/7A/B/C/D)

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