| Subject | Spanish | English |
| med. | epilepsia opercular | opercular epilepsy |
| med. | opérculo cervical | cervical operculum |
| med. | opérculo frontoparietal | frontoparietal operculum (operculum frontoparietale) |
| med. | opérculo rolándico | frontoparietal operculum (operculum frontoparietale) |
| med. | opérculo temporal | temporal operculum (operculum temporale) |
| med. | parte opercular de la circunvolución frontal inferior | posterior part of the interior frontal gyri |
| med. | región opercular de la tercera circunvolución frontal | pars opercularis gyri frontalis |