Inferior frontal sulcus
(Redirected from Sulcus frontalis inferior)
| Inferior frontal sulcus | |
|---|---|
| 300px Lateral surface of left cerebral hemisphere, viewed from the side. (Inferior frontal sulcus labeled at center left.) | |
| Details | |
| Part of | Frontal lobe |
| Artery | Middle cerebral artery |
| Vein | Superior sagittal sinus |
| Identifiers | |
| Latin | sulcus frontalis inferior |
| TA98 | Lua error in Module:Wikidata at line 746: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terms of neuroanatomy [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] | |
The inferior frontal sulcus is a prominent sulcus (groove) on the lateral surface of the frontal lobe of the brain. It runs parallel to the superior frontal sulcus and separates the middle frontal gyrus from the inferior frontal gyrus.
Anatomy[edit | edit source]
The inferior frontal sulcus is located in the cerebral cortex of the frontal lobe. It extends horizontally from the precentral sulcus towards the frontal pole. The sulcus is an important landmark for identifying the boundaries of the inferior frontal gyrus, which is involved in various cognitive functions, including language processing and executive functions.
Function[edit | edit source]
The inferior frontal sulcus itself does not have a direct function but serves as an anatomical landmark. The regions adjacent to it, particularly the inferior frontal gyrus, play crucial roles in speech production (in the left hemisphere) and other higher cognitive functions.
Clinical significance[edit | edit source]
Damage or abnormalities in the regions around the inferior frontal sulcus, such as the inferior frontal gyrus, can lead to various neurological conditions. For example, damage to the Broca's area, located in the posterior part of the inferior frontal gyrus, can result in Broca's aphasia, characterized by impaired speech production.
Related structures[edit | edit source]
See also[edit | edit source]
Related pages[edit | edit source]
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Contributors: Prab R. Tumpati, MD
