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1. Gawad
Neuroscience Physiology
Lecture 3
Tuesday, October 30, 2018 1

2. Tuesday, October 30, 2018 2

3. Tuesday, October 30, 2018 3
Brain Stem
Cervical
Thoracic
1973
All
T1-T12
L1
L2
L3
L4
L5
S1
S2
S3
S4
S5

4. Tuesday, October 30, 2018 4

5. Tuesday, October 30, 2018 5

6. Tuesday, October 30, 2018 6

7. Tuesday, October 30, 2018 7
Blood
Supply

8. Tuesday, October 30, 2018 8
Blood
Supply

9. Tuesday, October 30, 2018 9

10. Tuesday, October 30, 2018 10
Blood
Supply

11. Tuesday, October 30, 2018 11

12. Tuesday, October 30, 2018 12

13. Tuesday, October 30, 2018 13

14. Tuesday, October 30, 2018 14

15. Tuesday, October 30, 2018 15

16. Tuesday, October 30, 2018 16

17. Tuesday, October 30, 2018 17

18. Tuesday, October 30, 2018 18
Brain Stem
Cervical
Thoracic
1973
All
T1-T12
L1
L2
L3
L4
L5
S1
S2
S3
S4
S5

19. Tuesday, October 30, 2018 19

20. Tuesday, October 30, 2018 20

21. Tuesday, October 30, 2018 21
N.B. external urethral and anal sphincters are
skeletal muscles and are supplied by somatic
spinal nerve called pudendal nerve

22. Tuesday, October 30, 2018 22

23. Tuesday, October 30, 2018 23
N.B. Erectile tissue of penis in males, vulva &
clitoris in females are the only vascular system in
pelvis that is supplied by parasympathetic

24. Tuesday, October 30, 2018 24

25. CHEMICAL TRANSMISSION IN THE
AUTONOMIC NERVOUS SYSTEM
Tuesday, October 30, 2018 25

26. Tuesday, October 30, 2018 26
A.
ch
A.
ch
A.
ch
A.
ch
N.
A.
N.
A.
N.
A.
N.
A.
Cholinergic Nerve
Adrenergic Nerve

27. Tuesday, October 30, 2018 27
Somatic motor nerve
L.H.C.
L.H.C.
L.H.C.
L.H.C.
A.H.C.
Sympathetic
Preganglionic
Parasympathetic
Preganglionic
Sympathetic
Preganglionic
Sympathetic
Preganglionic
Sympathetic
Postganglionic
Parasympathetic
Postganglionic
Sympathetic
Postganglionic
A.
ch
A.
ch
A.
ch
A.
ch
A.
ch
Cholinergic Nerve

28. Tuesday, October 30, 2018 28
Somatic motor nerve
L.H.C.
L.H.C.
L.H.C.
L.H.C.
A.H.C.
Sympathetic
Preganglionic
Parasympathetic
Preganglionic
Sympathetic
Preganglionic
Sympathetic
Preganglionic
Sympathetic
Postganglionic
Parasympathetic
Postganglionic
Sympathetic
Postganglionic
A.
ch
A.
ch
A.
ch
A.
ch
A.
ch
Cholinergic Nerve
A.
ch
A.
ch
N.
A.
Cholinergic Nerve
Adrenergic Nerve

29. Tuesday, October 30, 2018 29
Somatic motor nerve
L.H.C.
L.H.C.
L.H.C.
L.H.C.
A.H.C.
Sympathetic
Preganglionic
Parasympathetic
Preganglionic
Sympathetic
Preganglionic
Sympathetic
Preganglionic
Sympathetic
Postganglionic
Parasympathetic
Postganglionic
Sympathetic
Postganglionic
A.
ch
A.
ch
A.
ch
A.
ch
A.
ch
A.
ch
A.
ch
N.
A.
N.
A.
A.

30. Tuesday, October 30, 2018 30
A.
ch
A.
ch
A.
ch
A.
ch
N.
A.
N.
A.
N.
A.
N.
A.
Cholinergic Nerve
Adrenergic Nerve
N
M
alpha
beta
Nicotine (small dose)
Muscarine Cholinergic
Receptors
Adrenergic
Receptors

31. Tuesday, October 30, 2018 31
Somatic motor nerve
L.H.C.
L.H.C.
L.H.C.
L.H.C.
A.H.C.
Sympathetic
Preganglionic
Parasympathetic
Preganglionic
Sympathetic
Preganglionic
Sympathetic
Preganglionic
Sympathetic
Postganglionic
Parasympathetic
Postganglionic
Sympathetic
Postganglionic
A.
ch
A.
ch
A.
ch
A.
ch
A.
ch
A.
ch
A.
ch
N.
A.
N.
A.
A.
N
N
N
N
N
M
M
alpha
beta