4. Anatomy of the Basal Surface of the Brain, with the Brain Stem and Cerebellum Removed

Question 1

Identify 1

Answer 1

1. Genu of corpus callosum

Question 2

Identify 10

Answer 2

10. Uncus

Question 3

Identify 2

Answer 3

2. Olfactory tract

Question 4

Identify 3 - 5

Answer 4

3. Pituitary gland
4. Optic tract
5. Mammillary bodies

Question 5

Identify 6

Answer 5

6. Cerebral peduncles (crus cerebri)

Question 6

Identify 7 - 9

Answer 6

7. Lateral geniculate body (nucleus)
8. Medial geniculate body (nucleus)
9. Pulvinar

Question 7

Identify 11 - 12

Answer 7

11. Parahippocampal gyrus
12. Medial occipitotemporal gyrus

Question 8

Identify 13 - 14

Answer 8

13. Lateral (Sylvian) fissure
14. Orbital gyri

Question 9

A basal view of the cerebral cortex reveals some limbic structures

→ List these structures (6)

Answer 9

1. the olfactory bulb and tract
2. mammillary bodies
3. uncus
4. parahippocampal gyrus (11),
5. temporal lobe cortical regions under which the amygdala (rostrally) and the hippocampal formation (middle region) are found

Question 10

A basal view of the cerebral cortex

→ . Several important thalamic regions are also directly visible

→ List 3 structures you can see here

Answer 10

1. the medial geniculate body (auditory processing) (8)
2. lateral geniculate body (visual processing (7)
3. the pulvinar (some visual processing). (9)