Surgery. a psychosurgical procedure in which the frontal lobes are separated from the rest of the brain by cutting the connecting nerve fibers.
prefrontal lobotomy n.
A lobotomy in which the white fibers that connect the thalamus to the prefrontal and frontal lobes of the brain are severed, performed as a treatment for intense anxiety or violent behavior.
- Frontal nerve
frontal nerve n. A branch of the ophthalmic nerve that divides within the eye socket into the supratrochlear and the supraorbital nerves.
- Frontal plane
frontal plane n. See coronal plane.
- Frontal pole
frontal pole n. The most anterior promontory of each cerebral hemisphere.
- Frontal sinus
frontal sinus n. A hollow formed on either side in the lower part of the squama of the frontal bone, communicating by the ethmoidal infundibulum with the middle meatus of the nasal cavity of the same side.