| Brodmann area 45 | |
|---|---|
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| Details | |
| Part of | Cerebral cortex of frontal lobe in the human brain |
| Artery | middle cerebral artery |
| Identifiers | |
| Latin | area triangularis |
| NeuroLex ID | birnlex_1777 |
| FMA | 68642 |
| Anatomical terms of neuroanatomy | |
Brodmann area 45 (BA45), is part of the frontal cortex in the human brain. It is situated on the lateral surface, inferior to BA9 and adjacent to BA46.
This area in humans occupies the triangular part of inferior frontal gyrus (H) and, surrounding the anterior horizontal limb of the lateral sulcus (H), a portion of the orbital part of the inferior frontal gyrus (H). Bounded caudally by the anterior ascending limb of the lateral sulcus (H), it borders on the insula in the depth of the lateral sulcus.
In terms of cytoarchitecture, it is bounded caudally by the opercular part of inferior frontal gyrus (Brodmann area 44 (BA44)), rostrodorsally by the middle frontal area 46 (BA46), and ventrally by the orbital part of inferior frontal gyrus (Brodmann area 47 BA47).