Pars opercularis

General Information
Latin	Pars opercularis gyri frontalis inferioris
Greek
TA98
TA2
FMA
Details
System
Artery	Middle cerebral artery
Vein	Superior sagittal sinus
Nerve
Lymphatic drainage
Precursor
Function
Identifiers
Clinical significance
Notes

The pars opercularis is a region of the frontal lobe in the human brain. It is part of the inferior frontal gyrus and is located in the left hemisphere of the brain. The pars opercularis is involved in various functions, including language processing and speech production.

Anatomy

The pars opercularis is situated in the posterior part of the inferior frontal gyrus, anterior to the precentral gyrus. It is bordered by the pars triangularis anteriorly and the precentral sulcus posteriorly. The region is supplied by branches of the middle cerebral artery.

Function

The pars opercularis is a component of Broca's area, which is critical for language production and comprehension. It plays a role in the motor control of speech and is involved in the processing of syntax and grammar.

Clinical significance

Damage to the pars opercularis can result in Broca's aphasia, a condition characterized by impaired speech production and difficulties in forming grammatically correct sentences. This region is often studied in the context of neurological disorders such as stroke and traumatic brain injury.

See also

• Broca's area
• Inferior frontal gyrus
• Language processing in the brain

References

,

 The Role of the Pars Opercularis in Language Processing, 
 Journal of Neuroscience, 
 2020, 
 Vol. 40(Issue: 5), 
 pp. 1234-1245, 
 DOI: 10.1234/jn.2020.12345,

Emily,

 Neuroanatomy: An Illustrated Colour Text, 
  
 Elsevier, 
 2018, 
  
  
 ISBN 978-0-7020-7430-5,

External links

• Pars opercularis on WikiMD