Sectional Anatomy

Question 1

label the 4 parts of the corpus callosum

Answer 1

Question 2

what is the highligted area called?

Answer 2

• cerebral white matter: septum pellucidum
• separates the 3rd ventricle from lateral ventricles

Question 3

most of the general sensory infro from the body relays to a nucleus called the?

Answer 3

ventro-postero-lateral (VPL) nucleus of the thalamus

Question 4

Answer 4

Question 5

where are the midbrain colliculi in relation to the pineal gland?

Answer 5

inferior to the pineal gland
- superior colliculi involved in visual reflex while the inferior one is involved in auditory reflex

Question 6

Answer 6

Question 7

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 7

projection fibres

Question 8

label the parts of the internal capsule

Answer 8

Question 9

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

Answer 9

middle cerebral artery

Question 10

what is the highlighted structure shown in the MRI image?

Answer 10

substantia nigra

Question 11

which group of structures is the substantia nigra functionally a part of?

Answer 11

basal ganglia

Question 12

what fibres do the cerebral peduncles contain?

Answer 12

descending motor fibres (corticospinal, corticopontine, corticobulbar)

Question 13

Answer 13