Orbital part of inferior frontal gyrus - Brain - Cerebral lobes - e-Anatomy
View the module

Orbital part of inferior frontal gyrus

Pars orbitalis gyri frontalis inferioris

  • Related terms: Orbital part

Definition

The orbital part of inferior frontal gyrus, also called the pars orbitalis, is a specific region located beneath the anterior horizontal ramus of the lateral sulcus. Both the orbital part and the triangular part (or pars triangularis) of the inferior frontal gyrus house the Broca's motor speech area, typically found in the dominant hemisphere of the brain, which is usually the left hemisphere.

References

__________________________________________________________________

Text written by Muhammad A. Javaid, MD, PhD © 2023 IMAIOS.

  • El-Baba, R.M. and Schury, M.P. Neuroanatomy, Frontal Cortex. [Updated 2023 May 29]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK554483/

  • Alvarez Toledo, N., Munakomi, S. and Prestigiacomo, C.J. Neuroanatomy, Sylvian Fissure. [Updated 2023 Aug 28]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK574552/

  • Bui, T., and M Das, J. Neuroanatomy, Cerebral Hemisphere. [Updated 2023 Jul 24]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK549789/

Gallery