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Multiple Choice
Which groove separates the frontal lobe from the parietal lobe?
A
Lateral sulcus
B
Central sulcus
C
Longitudinal fissure
D
Parieto-occipital sulcus
Verified step by step guidance
1
Begin by identifying the major lobes of the brain: the frontal lobe and the parietal lobe. These are two of the four main lobes in the cerebral cortex.
Understand that grooves on the brain's surface are called sulci (singular: sulcus), and they serve as boundaries between different lobes.
The central sulcus is a prominent groove that separates the frontal lobe from the parietal lobe. It runs approximately vertically from the top of the brain down towards the lateral sulcus.
The lateral sulcus, also known as the Sylvian fissure, separates the frontal and parietal lobes from the temporal lobe, not between the frontal and parietal lobes.
The longitudinal fissure divides the two cerebral hemispheres, while the parieto-occipital sulcus separates the parietal lobe from the occipital lobe. These are not involved in separating the frontal lobe from the parietal lobe.