part of cerebral lobe parietal lobe BTO:0001001 BrendaTissueOBO The upper central lobe of the cerebral hemisphere, separated from the temporal lobe below by the lateral sulcus, but continuous at the posterior end of that sulcus, and separated from the frontal lobe by the central sulcus. Behind, it is continuous with the occipital lobe on the lateral surface, but separated from it by the parietooccipital sulcus on the medial surface. parietal cortex