Anatomy of the brain*

Question 1

The brain is divided into which three sections? And what is in these sections?

Answer 1

• Forebrain (The cerebral hemispheres and diencephalon).
• Midbrain
• Hindbrain (pons, medulla, oblongata and cerebellum).

Question 2

What is the medulla oblongata?

Answer 2

An upward extension of the spinal cord.

Question 3

What is the pons?

Answer 3

It is an upward continuation of the medulla but also links to the cerebellum.

Question 4

Where is the cerebellum?

Answer 4

It is posterior to the brainstem.

Question 5

What does the midbrain link?

Answer 5

The brain stem to the cerebral hemispheres.

Question 6

What does the diencephalon comprise of?

Answer 6

The thalamus and the hypothalamus.

Question 7

What is the thalamus?

Answer 7

It is a relay center for info entering the hemispheres.

Question 8

What does the hypothalamus control?

Answer 8

It controls autonomic functions and basic drives such as feeding and drinking.

Question 9

What lobes are the brain divided into?

Answer 9

Frontal, parietal, temporal and occipital.

Question 10

On the midline, the brain is seperated into three parts. Name these parts?

Answer 10

• The central sulcus extends onto the medial surface.
• The parieto-occipital fissure.
• The corpus callosum contains the left and right hemispheres.