supramarginal gyrus

supramarginal gyrus (SMG)

The term supramarginal gyrus refers to the more rostral of two subdivisions of the inferior parietal lobule identified by dissection in the human ( Carpenter-1983 ) and the macaque ( Martin-2000 ). In the human it is separated rostrally from the postcentral gyrus by the postcentral sulcus. Dorsally its border with the superior parietal lobule is marked by the intraparietal sulcus. Ventrally it surrounds the termination of the lateral fissure, which provides its boundary with the superior temporal gyrus rostral to the fissure. Its ventrocaudal border with the superior temporal gyrus is an ill-defined line that connects the terminal descending limb of the lateral fissure horizontally to the rostral boundary of the occipital lobe ( Duvernoy-1992 ). The boundaries in the macaque are the same except that the rostral border with the postcentral gyrus, a vertical line from the rostral tip of the intraparietal sulcus to the lateral fissure, is unmarked by anatomical feature. And it does not surround the termination of the lateral fissure, so its caudal boundary with the angular gyrus is marked by the superior temporal sulcus and the parieto-occipital sulcus ( Martin-2000 ). Equivalent structures are not found in the smooth cerebral cortex of the rat or mouse ( NeuroNames ).

Also known as: supramarginal gyrus, Gyrus supramarginalis, inferior parietal lobule (Krieg), anterior part of inferior parietal lobule

NeuroNames ID: 108

All Names & Sources

1 of 13

Showing 13 synonym(s) - Use arrows to navigate

Showing 13 synonym(s)

Name:

giro sopramarginale

Language:

Italian

Organism:

human

Source:

Carpenter-1995

Citation:

EdiSes, s.r.l.- Napoli, 1995

Source Title:

Fondamenti di Neuroanatomia

Name:

supramarginal gyrus

Language:

English

Organism:

human

Source:

Carpenter-1983

Citation:

Baltimore: Williams and Wilkins Co., 1983

Source Title:

Human Neuroanatomy

Name:

supramarginal gyrus

Language:

English

Organism:

Macaca fascicularis

Source:

Martin-1996

Citation:

Neuroimage 1996 Oct;4(2):119-50

Source Title:

A stereotaxic template atlas of the macaque brain for digital imaging and quantitative neuroanatomy

Name:

Gyrus supramarginalis

Language:

Latin

Organism:

human

Source:

Nomina-1983

Citation:

Fifth Edition, Williams and Wilkins Co., Baltimore, 1983

Source Title:

Nomina Anatomica

Name:

inferior parietal lobule (Krieg)

Language:

English

Organism:

Macaca mulatta

Source:

Krieg-1975

Citation:

Brain Books, Evanston, Illinois, 1975

Source Title:

Interpretive Atlas Of The Monkey's Brain

Name:

inferior parietal lobule (Krieg)

Language:

English

Organism:

Macaca mulatta

Source:

Snider-1961

Citation:

University of Chicago Press, Chicago,Illinois, 1961

Source Title:

A Stereotaxic Atlas Of The Monkey Brain (Macaca mulatta)

Name:

anterior part of inferior parietal lobule

Language:

English

Organism:

human

Source:

Lockhart-1959

Citation:

J.B. Lippincott Co., Philadelphia, 1959

Source Title:

Anatomy of the Human Body

Name:

circunvolución supramarginal

Language:

Spanish

Organism:

human

Source:

Carpenter-1994

Citation:

edicion 4, Williams & Wilkins, Baltimore; traducción de Editorial Medica Panamericana, Buenos Aires, efectuada por el Dr. Alejandro Kaufman

Source Title:

Neuroanatomía Fundamentos

Name:

SMG

Language:

acronym

Organism:

human

Source:

Mai-1997

Citation:

San Diego: Academic Press, 1997

Source Title:

Atlas of the Human Brain

Name:

girus supramarginal

Language:

Indonesian

Organism:

human

Source:

Noback-1982

Citation:

Jakarta: Penerbit Buku Kedokteran EGC, 1982

Source Title:

Anatomi Susunan Saraf Manusia, Prinsip-Prinsip Dasar Neurobiologi

Name:

надкраевая извилина

Language:

Russian

Organism:

human

Source:

Savel'ev-1996

Citation:

AREA XVII, Moscow, 1996.

Source Title:

Stereoskopicheskii Atlas Mozga Cheloveka

Name:

lóbulo del pliegue curvo

Language:

Spanish

Organism:

human

Source:

Carpenter-1994

Citation:

edicion 4, Williams & Wilkins, Baltimore; traducción de Editorial Medica Panamericana, Buenos Aires, efectuada por el Dr. Alejandro Kaufman

Source Title:

Neuroanatomía Fundamentos

Name:

gyrus supramarginal

Language:

French

Organism:

human

Source:

Duvernoy-1992

Citation:

Springer-Verlag, Paris, 1992

Source Title:

Le cerveau humain: Surface, coupes seriees tridimensionnelles et IRM

Illustrations

Showing 3 illustration(s)

labeled line drawings of
sagittal section in
Macaca fascicularis

multiple views of
3D reconstruction in
Macaca mulatta

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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Showing 8 record(s) - Use arrows to navigate

Showing 8 record(s)

Basis:

Topology

Has Equivalent:

Yes

Organism:

Homo sapiens (human)

Their Name:

anterior part of inferior parietal lobule

Source:

Lockhart-1959

Basis:

Topology

Has Equivalent:

Yes

Organism:

Homo sapiens (human)

Their Name:

Gyrus supramarginalis

Source:

Nomina-1983

Basis:

Topology

Has Equivalent:

Yes

Organism:

Homo sapiens (human)

Their Name:

supramarginal gyrus

Source:

Carpenter-1983

Basis:

Topology

Has Equivalent:

Yes

Organism:

Macaca fascicularis (Macaca fascicularis)

Their Name:

supramarginal gyrus

Source:

Martin-1996

Basis:

Topology

Has Equivalent:

Yes

Organism:

Macaca mulatta (Macaca mulatta)

Their Name:

inferior parietal lobule (Krieg)

Source:

Krieg-1975

Basis:

Topology

Has Equivalent:

Yes

Organism:

Macaca mulatta (Macaca mulatta)

Their Name:

inferior parietal lobule (Krieg)

Source:

Snider-1961

Basis:

Topology

Has Equivalent:

Organism:

Rattus (rat)

Their Name:

---

Source:

Bowden-1997

Basis:

Topology

Has Equivalent:

Organism:

Mus (mouse)

Their Name:

---

Source:

NeuroNames

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.

brain

forebrain

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