Category:Brodmann area 4

From NeuroLex

Created	2 October 2007 +
Curator	Http://purl.org/nbirn/birnlex/ontology/annotation/BIRNLex annotation properties.owl +
DefinitionSource	Http://purl.org/nbirn/birnlex/ontology/annotation/BIRNLex annotation properties.owl +
EditorialNote	The lobular mapping of Brodmann areas has … The lobular mapping of Brodmann areas has been adapted from the LOCATION hierarchy in Brainmap.org. To date (2007-10-02) this only define the set of lateralized cerebral lobe locations where a given Brodmann area is located. The intension is to eventually incorporate the more detailed gyri and sulci relations as well. detailed gyri and sulci relations as well.
ExternallySourcedDefinition	The term area 4 of Brodmann-1909 refers to … The term area 4 of Brodmann-1909 refers to a cytoarchitecturally defined portion of the frontal lobe of the guenon. It is located predominantly in the precentral gyrus. Brodmann-1909 regarded it as topographically and cytoarchitecturally homologous to the human gigantopyramidal area 4 and noted that it occupies a much greater fraction of the frontal lobe in the monkey than in the human. Distinctive features (Brodmann-1905): the cortex is unusually thick; the layers are not distinct; the cells are relatively sparsely distributed; giant pyramidal (Betz) cells are present in the internal pyramidal layer (V); lack of an internal granular layer (IV) such that the boundary between the external pyramidal layer (III) and the internal pyramidal layer (V) is indistinct; lack of a distinct external granular layer (II); a gradual transition from the multiform layer (VI) to the subcortical white matter. ayer (VI) to the subcortical white matter.
Id	birnlex_1735 +
Modification dateThis property is a special property in this wiki.	10 February 2009 12:35:58 +
ModifiedDate	2 October 2007 +
NeuronamesID	1043 +
NeuronamesLink	http://braininfo.rprc.washington.edu/Scripts/hiercentraldirectory.aspx?ID=1043 +
Synonym	Brodmann area 4, gigantopyramidal +, area 4 of Brodmann-1909 +, Area gigantopyramidalis +, Brodmann.4 +, Primary Motor cortex +, M1 +
Umlscui	C1272526 +
Categories	Brodmann partion scheme region

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