Head - Parts of the Brain (1)

Question 1

What are the components of the diencephalon?

Answer 1

The diencephalon is the central core of the brain, and it includes the right and left thalami (connected by the interthalamic adhesion) and the hypothalamus.

Question 2

What are the components of the brainstem?

Answer 2

Midbrain, Pons, Medulla. (from rostral to caudal)

Question 3

What is the cerebral falx?

Answer 3

This is the strong fold of dura mater that forms a vertical (sagittal) wall between the right and left hemispheres, lying in the longitudinal cerebral fissure.

Question 4

Name the major fissures and sulci of the brain, and explain which lobes they are boundaries for.

Answer 4

Longitudinal cerebral fissure – separates left and right hemispheres
Central sulcus – separates frontal and parietal lobes
Lateral sulcus – separates temporal lobe from parietal and frontal lobes
Parieto-occipital sulcus – separates the occipital and parietal lobes

Question 5

What is the cerebellar tentorium?

Answer 5

This is an infolding of dura mater that forms a horizontal (transverse) wall between the occipital lobe and the cerebellum.

Question 6

Name the components of the cerebellum.

Answer 6

The cerebellum has a left and right lobe, separated by the vermis, which runs in a sagittal plane down the centre of the two lobes.