parieto-occipital sulcus

parieto-occipital sulcus (pos)

The term parieto-occipital sulcus refers to the groove in the cerebral cortex that separates the precuneus of the parietal lobe from the cuneus of the occipital lobe on the medial surface of the cerebral hemisphere. It is found in the human ( Carpenter-1983 ) and the macaque ( Martin-2000 ). In the macaque it merges with the intraparietal sulcus, and the lunate sulcus of the human on the dorsal surface of the brain ( Kappers-1960 ). Equivalent structures are not found in the smooth cerebral cortex of the rat or mouse ( NeuroNames ).

Also known as: parieto-occipital sulcus, Sulcus parieto-occipitalis, Sulcus parietoccipitalis, parieto-occipital incisure, parieto-occipital fissure, Sulcus parietooccipitalis, Sulcus parieto-occipitalis medialis, parietooccipital sulcus, Fissura parieto-occipitalis

NeuroNames ID: 52

All Names & Sources

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English

parieto-occipital fissure

Crosby-1962

English

parieto-occipital incisure

Bonin-1947

English

parieto-occipital sulcus

Carpenter-1983

English

parieto-occipital sulcus

Krieg-1975

English

parietooccipital sulcus

Vogt-1995

Illustrations

Showing 5 illustration(s)

surface view of
fetal brain in
human

drawing of
medial aspect in
human

labeled line drawings of
sagittal section in
Macaca fascicularis

surface view of
lateral aspect in
macaque

drawing of
all aspects in
macaque

Species With The Structure

Equivalent By	Human	Macaque	Rat	Mouse
Topology	Has The Structure	Has The Structure	Does Not Have The Structure	Does Not Have The Structure

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Basis

Has Equivalent

Organism

Their Name

Source

Topology

Yes

Homo sapiens (human)

Fissura parieto-occipitalis

Cunningham-1892

Topology

Yes

Homo sapiens (human)

parieto-occipital fissure

Crosby-1962

Topology

Yes

Homo sapiens (human)

parietooccipital sulcus

Vogt-1995

Topology

Yes

Homo sapiens (human)

parieto-occipital sulcus

Carpenter-1983

Topology

Yes

Homo sapiens (human)

Sulcus parietoccipitalis

Nomina-1983

Topology

Yes

Homo sapiens (human)

Sulcus parietooccipitalis

Roberts-1970

Topology

Yes

Homo sapiens (human)

Sulcus parieto-occipitalis

Nomina-1989

Topology

Yes

Macaca mulatta (Macaca mulatta)

parieto-occipital incisure

Bonin-1947

Topology

Yes

Macaca mulatta (Macaca mulatta)

parieto-occipital sulcus

Topology

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Topology

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Models Where It Appears

Structural CNS Model - Macaque

Brain structures of the macaque are illustrated in BrainInfo’s NeuroMaps macaque brain atlas. Structures are grouped by proximity in a hierarchy corresponding to the central nervous system hierarchy of NeuroNames ( Bowden-1995 Martin-2000 ). Structures in the NeuroMaps atlas are based on the segmentation of an MRI of the brain of a 3-year old male rhesus macaque (Macaca mulatta). The atlas is most useful for targeting structures for implantating electrodes and chemtrodes. Updated 29 Oct 2025.