The Brain - 9.1 External Features
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Name the largest part of the brain.
Cerebrum
Name the four (4) visible lobes of the brain.
• Frontal • Parietal (2) • Temporal (2) • Occipital
On the surface of the brain are raised portions (“folds”) called:
Gyri (convolutions)
On the surface of the brain are grooves called:
Sulci (sulcus )
A deep sulcus is called a:
Fissure
What is the deepest groove in the brain?
The longitudinal fissure
Longitudinal fissure separates the___________.
The left cerebral hemisphere and the right cerebral hemisphere.
What sulcus separates the frontal lobe from the parietal lobe?
The central sulcus
What sulcus separates the frontal lobe from the parietal lobe?
The central sulcus
What fissure separates the two parietal lobes?
The longitudinal
What sulcus separates the parietal lobe from the temporal lobe?
The lateral sulcus.
What sulcus separates the occipital lobe from the parietal lobe?
The parieto-occipital sulcus
The gyrus located just anterior to the central sulcus is called the
Precentral gyrus.
What lobe of the brain will one find the precentral gyrus?
Frontal lobe
What lobe of the brain will one find the postcentral gyrus?
Parietal lobe
The gyrus located just posterior to the central sulcus is called the____________.
Postcentral gyrus
At the inferior portion of the brain, what is the name of the structure that connects the cerebrum to the spinal cord.
Brainstem
What part of the brain is found in the inferior and posterior part of the skull (head)?
Cerebellum
What part of the brain is known as the “little cerebrum”?
Cerebellum
Where does the brainstem connect to the spinal cord?
At the foramen magnum of the skull.