Week 2: Station 2 - Hemisection of the Brain

Question 1

What’s this

Answer 1

Corpus callosum

Question 2

Answer 2

Question 3

What type of fibres pass through the corpus callosum?

Answer 3

Commisural

Question 4

What is the function of the rostrum?

Answer 4

Connects the orbital surfaces of the frontal lobe

Question 5

What is the function of the genu?

Answer 5

Connects the medial/lateral surfaces of the frontal lobe via the forceps minor

Question 6

What does the body connect?

Answer 6

Surfaces of the hemispheres

Question 7

What does the splenium connect?

Answer 7

Occipital lobes through the forceps major

Question 8

What is shown here and what does it seperate?

Answer 8

Septum pellucidum = transparent hedge

• Seperates the anterior horns of the lateral ventricle

Question 9

What is the septum pellucidum continuous with

A) superiorly

B) inferiorly

Answer 9

A) Corpus callosum

B) Fornix

Question 10

What is the fornix?

Answer 10

A bundle of fibres that links the mammillary bodies to the hippocampus and amygdala

Question 11

Answer 11

Question 12

Study this

Question 13

What is the main role of the ventroposterolateral nucleus of the thalamus?

Answer 13

Relay general sensory information from the body

Question 14

List some of the functions of the hypothalamus

Answer 14

• Autonomic control
• Body temperature
• Food intake
• Water balance
• Sleep wake
• Memory