Transverse Section of the Brain

Question 1

Identify the following features: (not all features are seen on all sections)

Answer 1

1. Median longitudinal fissure
2. Lateral ventricle
3. Caudate nucleus
4. Third ventricle
5. Thalamus
6. Internal capsule
7. Lentiform nucleus (putamen and globus pallidus)

Question 2

Answer 2

Question 3

What is the internal capsule is mostly supplied by what?

Answer 3

MCA- But the anterior and posterior do to a small extent

Question 4

From amongst these structures, choose the structures that together constitute the basal ganglia (nuclei

Answer 4

5 Pairs of Nuclei – Caudate Nucleus, Putamen, Globulus Palladus, Subthalamic Nucleus, & Substantia Nigra

Question 5

The Internal Capsule is made up of myelinated axons (white matter).

What is the name given to these fibres that connect the cerebral hemispheres with other parts of the brain?

Answer 5

Projection Fibres

Question 6

What is the internal capsule made up of?

Answer 6

An anterior limb, genu and a posterior limb

Question 7

Answer 7

Question 8

Which cerebral artery through one of its branches supplies the internal capsule?

Answer 8

Anterior cerebral artery

Question 9

Which group of structures is this functionally a part of?

Answer 9

Functionally the basal ganglia

Question 10

Where would the red nucleus be in relation to the substantia nigra, anterior or posterior to it?

Answer 10

Posterior to it

Question 11

Identify the part of the midbrain called as the cerebral peduncles. What fibres does it contain?

Answer 11

Motor Fibres (is also called the Crus Cerebri)