<unk>  is a medical and scientific term for a sulcus occurring in the area of the brain known as<unk> 's area.<unk> 's area contains the motor speech area and controls movements of tongue, lips and vocal cords.<unk>  produces the typical effects of a lesion in<unk> 's area (i.e., expressive aphasia).
Broca's fissure
Kernohan's notch
Collateral fissure
Rhomboid fossa
Cingulate sulcus
Interventricular foramina 
Horizontal fissure of cerebellum
Suboccipital triangle