Orbital sulci

Orbital sulci
Brain: Orbital sulci
Gray729.png
Orbital surface of left frontal lobe.
Latin sulci orbitales
Gray's subject #189 822

The inferior or orbital surface of the frontal lobe is concave, and rests on the orbital plate of the frontal bone. It is divided into four orbital gyri by a well-marked H-shaped orbital sulcus

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

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

anat(n/s/m/p/4/e/b/d/c/a/f/l/g)/phys/devp

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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