Caudal cuts sheep brain

Question 1

What is indicated on plate 9 ? Mention 1, 3

Answer 1

1. corpus callosum

2. cuadate nucleus

Question 2

What is indicated on plate 10 ? Mention 9,7,10,3 and also inidacte lateral ventricles

Answer 2

3 head of caudate nucleus	
7 septum pellucidum
9 body of the corpus callosum
10 putamen
-> black underneath corpus

Question 3

What is indicated on plate 11 ? Mention 3,9,11,10,13,17,18,15

Answer 3

• 3 = caudate nucleus
• 9 = corpus callosum
• 10 = putamen
• 11 = septum
• 13 = fornix
• 15 = globus pallidus
• 17 = optic chiasm
• 18 = lateral ventricle

Question 4

What is indicated on plate 12 ? Mention 19,21,23

Answer 4

19 caudate nucleus
21 fornix
23 third ventricle

Question 5

What is indicated on plate 13 ? Mention 18,23,24,25,26,29

Answer 5

18 lateral ventricle	
23 third ventricle	
24 amygdala
25 body of thalamus	
26 habenula		
28 hypothalamus
29 Hippocampus

Question 6

What is indicated on plate 14 ? Mention 29, 30,31,32 and also mention cerebral peduncle

Answer 6

29 hippocampus
30 pineal gland
32 cerebral aqueduct
31 posterior commissure 
- >cerebral pedunlce is at the lower part of thalamus

Question 7

What is indicated on plate 15 ? Mention 35,36 and also mention cerebral peduncle and subtrantia nigra

Answer 7

35 cerebral aqueduct
36 superior colliculus
- cerebral pedunlce is at the lower part of thalamus
- above the cerbral peduncle is the substrantia nigra

Question 8

What is indicated on plate 16 ?

Answer 8

• Both colliculi

- cerbral aqueduct

Question 9

When do we see the cerebral aqueduct instead of the 3 ventricle ?

Answer 9

• when we start to see the end of pineal gland

Question 10

When do we start to see the thalamus instead of the internal capsule ?

Answer 10

• when you identify the lower part of the 3 ventricle

Question 11

When do we identify the hippocampus instead of the fornix ?

Answer 11

• when it starts to look more like a football instead of a line

Question 12

how do we identify mamillothalamic tract ?

Answer 12

• looks like two eggs lieng in the thalamus

Question 13

How do we identfy the ventral part of fronix ?

Answer 13

• looks like two eggs undernateh mamillothalamic tract

- So when u see 4 eggs u know its it is the fornix

Question 14

What can u identfy when there is an egg in the middle ! ?

Answer 14

• lateral and third ventrilce
• fornix and external and internal capsule
• page 32 ( Middle)