opercular part

o·per·cu·lar part

one of the three small cortical convolutions together forming a cover for the insular region. Opercular convolutions are frontal, temporal, and parietal.
Synonym(s): pars opercularis [TA]
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Overlap between the SN network and central executive network (CEN) included the opercular part of the inferior frontal gyrus bilaterally as well as the middle frontal gyrus and left anterior segment of the circular sulcus of the insula.