Neuroanatomy Lec 4: Brainstem Anatomy

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Last updated 11:36 PM on 4/8/26

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54 Terms

1

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<p>What Anterior Brainstem Structure is shaded in light blue?</p>

What Anterior Brainstem Structure is shaded in light blue?

Cerebral Peduncles/Crus of Midbrain

2

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<p>What Anterior Brainstem Structure is shaded in orange? </p>

What Anterior Brainstem Structure is shaded in orange?

Interpeduncular fossa of Midbrain

3

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<p>What Anterior Brainstem Structure is shaded in Red? </p>

What Anterior Brainstem Structure is shaded in Red?

Pons Proper

4

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<p>What Anterior Brainstem Structure is shaded in Yellow? </p>

What Anterior Brainstem Structure is shaded in Yellow?

Cerebellar Peduncle

5

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<p>What Anterior Brainstem Structure is #5 referring to? </p>

What Anterior Brainstem Structure is #5 referring to?

Anterior Medial Sulcus of Medulla

6

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<p>What Anterior Brainstem Structure is shaded in brown?</p>

What Anterior Brainstem Structure is shaded in brown?

Pyramids of Medulla

7

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<p>What Anterior Brainstem Structure is shaded is green? </p>

What Anterior Brainstem Structure is shaded is green?

Olives of Medulla

8

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<p>What Anterior Brainstem Structure is the X region referring to? </p>

What Anterior Brainstem Structure is the X region referring to?

Pyramidal Decussation of Medulla

9

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<p>What Anterior Brainstem Structure is shaded light pruple? </p>

What Anterior Brainstem Structure is shaded light pruple?

Optic Nerve

10

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<p>What Anterior Brainstem Structure is the purple lines referring to? </p>

What Anterior Brainstem Structure is the purple lines referring to?

Optic Chiasm

11

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<p>What Anterior Brainstem Structure is shaded in dark blue? </p>

What Anterior Brainstem Structure is shaded in dark blue?

Thalamus

12

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<p>What Posterior Brainstem Structure is shaded in Blue? </p>

What Posterior Brainstem Structure is shaded in Blue?

Superior Colliculi of Midbrain

13

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<p>What Posterior Brainstem Structure is shaded in Light Orange?</p>

What Posterior Brainstem Structure is shaded in Light Orange?

Inferior Colliculi of Midbrain

14

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<p>What Posterior Brainstem Structure is shaded in Brown and has 3 parts? </p>

What Posterior Brainstem Structure is shaded in Brown and has 3 parts?

Cerebellar Peduncles of Pons (3 parts: Superior, Middle, Inferior)

15

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<p>What Posterior Brainstem Structure is #4 referring to? </p>

What Posterior Brainstem Structure is #4 referring to?

Posterior Medial Sulcus of Medulla

16

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<p>What Posterior Brainstem Structure does the green lines refer to?</p>

What Posterior Brainstem Structure does the green lines refer to?

Fasciculus Gracilis of Medulla

17

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<p>What Posterior Brainstem Structure is the shaded region in Green referring to? </p>

What Posterior Brainstem Structure is the shaded region in Green referring to?

Tuberculum Gracilis (Tubercle) of Medulla

18

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Tuberculum Gracilis and Fasciculus Gracilis recieve signals from which region of the body?

Lower Extremity

19

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<p>What Posterior Brainstem Structure does the Red lines refer to?</p>

What Posterior Brainstem Structure does the Red lines refer to?

Tuberculum Cuneatus of Medulla

20

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<p>What Posterior Brainstem Structure is shaded region in Red referring to? </p>

What Posterior Brainstem Structure is shaded region in Red referring to?

Tuberculum Cuneatus (Tubercle) of Medulla

21

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Tuberculum Cuneatus & Fasciculus Cuneatus receive signals from which region of the body?

Upper Extremity

22

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<p>What Posterior Brainstem structure does the orange lines indicate? </p>

What Posterior Brainstem structure does the orange lines indicate?

Medial Geniculate Body

23

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<p>What Posterior Brainstem structure does the blue lines indicate?</p>

What Posterior Brainstem structure does the blue lines indicate?

Lateral geniculate body

24

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<p>What Posterior Brainstem structure does the T indicate? </p>

What Posterior Brainstem structure does the T indicate?

Thalamus

25

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<p>Within the brain stem, what structure does #1 refer to? </p>

Within the brain stem, what structure does #1 refer to?

Superior Colliculi of Brainstem

26

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<p>Within the brain stem, what structure does #2 refer to? </p>

Within the brain stem, what structure does #2 refer to?

Inferior Colliculi of Brainstem

27

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<p>Within the brain stem, what structure does #3 refer to? </p>

Within the brain stem, what structure does #3 refer to?

Cerebral Aqueduct

28

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<p>Within the brain stem, what structures does the orange line refer to? </p>

Within the brain stem, what structures does the orange line refer to?

Superior Medullary Velum (SMV) and Inferior Medullary Velum (IMV)

29

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<p>Within the brain stem, what structure does #4 refer to? </p>

Within the brain stem, what structure does #4 refer to?

4th Ventricle

30

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<p>Within the brain stem, what structure does the green- lined border refer to?</p>

Within the brain stem, what structure does the green- lined border refer to?

Tegmentum (central core),

31

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<p>Within the brain stem, what structure does CP refer to? </p>

Within the brain stem, what structure does CP refer to?

Cerebral Peduncles

32

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<p>Within the brain stem, what structure does BP refer to? </p>

Within the brain stem, what structure does BP refer to?

Basilar Pons

33

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<p>Within the brain stem, what structure does the yellow outlined region and P/O refer to? </p>

Within the brain stem, what structure does the yellow outlined region and P/O refer to?

Pyramids and Olives

34

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35

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<p>Within the Midbrain, what structure does #1 represent? </p>

Within the Midbrain, what structure does #1 represent?

Cerebral Aqueduct

36

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<p>Within the Midbrain, what structure does #2 represent? </p>

Within the Midbrain, what structure does #2 represent?

Red Nucleus

37

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<p>Within the Midbrain, what structure does #3 represent? </p>

Within the Midbrain, what structure does #3 represent?

Substantia Nigra

38

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<p>Within the Midbrain, what structure does #4 represent? </p>

Within the Midbrain, what structure does #4 represent?

Basis Pedunculi

39

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<p>Within the Midbrain, what structure does #5 represent? </p>

Within the Midbrain, what structure does #5 represent?

Superior Colliculi

40

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<p>Within the Midbrain, what structure does #6 represent? </p>

Within the Midbrain, what structure does #6 represent?

Reticular Formation

41

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<p>Within the Midbrain, what structure does #7 represent? </p>

Within the Midbrain, what structure does #7 represent?

Pyramidal Tract (one home of CST)

42

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<p>Within the Midbrain, what structure does #5A represent? </p>

Within the Midbrain, what structure does #5A represent?

Tectospinal Tract

43

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<p>Within the Pons, what structure does #1 represent? </p>

Within the Pons, what structure does #1 represent?

Cerebellar Peduncles (SUP)

44

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<p>Within the Pons, what structure does #2 represent?</p>

Within the Pons, what structure does #2 represent?

Tectospinal Tract

45

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<p>Within the Pons, what structure does #3 represent?</p>

Within the Pons, what structure does #3 represent?

Pyramidal Tract

46

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<p>Within the Pons, what structure does #4 represent?</p>

Within the Pons, what structure does #4 represent?

Reticular Formation of Pons

47

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<p>Within the Pons, what structure does #5 represent?</p>

Within the Pons, what structure does #5 represent?

Fourth Ventricle

48

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<p>Within the Pons, what structure does #6 represent?</p>

Within the Pons, what structure does #6 represent?

Lateral Vestibular Nucleus

49

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<p>Within the Pons, what structure does #7 represent?</p>

Within the Pons, what structure does #7 represent?

Medial Vestibular Nucleus

50

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<p>Within the Medulla, what structure does #1 represent? </p>

Within the Medulla, what structure does #1 represent?

Olivary Nucleus

51

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<p>Within the Medulla, what structure does #2 represent?</p>

Within the Medulla, what structure does #2 represent?

Pyramids/Pyramidal Tract

52

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<p>Within the Medulla, what structure does #3 represent? </p>

Within the Medulla, what structure does #3 represent?

Pyramidal Decussation (low medulla)

53

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<p>Within the Medulla, what structure does #4 represent? </p>

Within the Medulla, what structure does #4 represent?

Tectospinal Tract

54

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<p>Within the Medulla, what structure does #5 represent? </p>

Within the Medulla, what structure does #5 represent?

Rubrospinal Tract