1. This is a slice through what part of the brainstem?
ANATOMICAL
CLINICAL 2
IV Ventricle
Hypoglossal nucleus 5 9
tegmentum
Base (pyramid) 6 1
Periven-
tricular area
wall 3
reticular
formation 4 10
wall
reticular
formation 11
inferior olivary
nuclei 8
periventric.
area 12
Base (pyramidal tracts or pyramids)
tegmentum 7 13
This is a slice through what part of the brainstem?
Mid/Rostral Medulla

2. 3 (open arrow is b/t what 2 structures?)1
skull
Inner & outer edges
of base (pyramids)
2 (black arrows)
groove b/t inferior olivary
nuclei & inferior cerebral
peduncle
3 (open arrow is b/t what 2 structures?) 6
subarachnoid space
(SAS) 5 4
cerebellum
IV ventricle
This is an axial MR T2 through through what part of the brainstem?
Mid/Rostral Medulla

3. 6 (What nucleus is located here?)
pyramid (base) 1
6 (What nucleus is located here?)
inferior olivary
nuclei
wall (inf. cere-
bellar peduncle) 2
reticular
formation 5
periventricular
area 4
TEGMENTUM 3

4. 4 (What nucleus is located here?)1
pyramid
Inferior olivary nuclei 2
inferior
cerebellar
peduncle 5
IV ventricle 3
Hypoglossal nucleus
4 (What nucleus is located here?)

5. This is a slice through what part of the brainstem?
Anatomical Orientation
Clinical Orientation 3
IV Ventricle 13
BASE 1
WALL
PERIVENTRIC.
AREA 2
10 (What Nucleus?)
RETICULAR
FORM. 14
Facial Nucleus
Facial Nerve Roots
TEGMENTUM 15
11 (What N Roots?)
RETICULAR
FORM. 4
12 (What Nucleus?) 5
TEGMENTUM
Abducens
Nucleus
PERIVENTRIC.
AREA
9 (What Nucleus?)
Facial
Nucleus 16
WALL 17
Facial N.
Roots
CN VI N.
8 (What N Roots?)
BASE 6
7 (What N Roots?)
This is a slice through what part of the brainstem?
Caudal Pons

6. 1 2 3 4 Middle cranial Fossa with Temporal cortex
eye 2
Middle cranial
Fossa with
Temporal cortex
Posterior Cranial Fossa & Subarachnoid Space 3
skull 4

7. 2 1 3 4 5 6 Subarachnoid space (SAS) in posterior cranial fossa Artery
(basilar) 1
Nerve roots in
Bony canal of
Skull 3
CAUDAL
PONS 4 5
IV ventr.
CEREBELLUM 6

8. 1 9 2 8 3 7 4 6 5 Wall Base Tegmentum Abducens Nerve roots
Facial Nucleus
Facial N. Roots 8 3 7
Abducens
Nucleus 4
Reticular
Formation
Periventricular
zone 6 5

9. This is a slice through what part of the brainstem?
Anatomical Orientation
Clinical Orientation 2
superior colliculus 1 3
ROOF
Cerebral aqueduct
TEGMENTUM 11
Periaqueductal Gray
(periventricular area) 4
substantia
nigra 10
Reticular
Formation 5 9
BASE
position,
III nerve roots
oculomotor
nucleus
6 (What Nucleus?)
7 (N Roots?)
Crus
Cerebri (cere-
bral peduncles)
Cerebral aqueduct 12 8
This is a slice through what part of the brainstem?
Rostral Midbrain

10. 1
Midbrain
SUBARACHNOID
SPACE 2

11. 6 1 2 3 4 5 7 8 approximate position of cerebral aqueduct
position, III nerve roots 6
BASE
(crus cerebri)
SUBSTANTIA NIGRA
TEGMENTUM:
reticular formation
+ PAG
ROOF or TECTUM
(superior colliculus) 1 2 3 4 5
III Nucleus in the
periaqueductal gray 7
approximate position
of cerebral aqueduct 8

12. TELENCEPHALON: cortex deep white matter 1 2 13 subcortical
FRONTAL LOBES 13
subcortical
white matter 3
subcortical nuclei
(outlined by dark lines)
7 (What Nuclei?)
INTERNAL
CAPSULE:
anterior limb 8
cerebral cortex 4
genu 9 5
Lateral ventricle
posterior limb 10
deep white matter 6
DIENCEPHALON:
thalamus
pineal gland 11 12 14
OCCIPITAL LOBES

13. 1 cortex 6 subcortical white matter 7 posterior limb, internal capsule
frontal horn of
lateral ventricle 1
cortex 6
subcortical white
matter 7
posterior limb,
internal capsule 2
deep white matter 8 3
parietal lobe
(probably)
posterior limb of int.
capsule between
thalamus
subcortical nucleus 9
temporal lobe
posterior
cranial fossa
with
brainstem 4 10 5
11 (What Nucleus?) 12
temporal horn of
Lateral ventricle

14. 2 1
Imaginary Line 8 9 3 10 5 6 11 4 12 7

15. 5
- Contains Primary Motor Cortex – initiate voluntary movement on opposite side of body 4 6 7
- Contains Primary Somatosensory Cortex 3 8 9 2 1 10
Posterior parts of inf. Frontal gyrus are called Broca’s Area – (left hemisphere) expressive language 14 13
Primary Auditory Cortex 12 11

16. 2 3 4 5 1 6 7

17. Contains Lower limb portion of somatosensory cortex5
Contains lower limb primary motor cortex- 6 4 7 3 8 2 9 10 1 11
Contains primary visual cortex in its walls 13 12

18. 2 1 3 4 5 6 7 Planum Temporal – sensory processing
Taste and visceral sense 4
Planum Temporal – sensory processing 5
-Contains
Primary Auditory Cortex 6 7

19. 3 4
Contains lower limb primary motor cortex- 5 2 1 6 14 13 7 8 12 9 11 10

20. 4 3 2 1 5 6
3rd ventricle 10 9 8 7

21. 2 3 3 4 5 1 Cerebral Cortex Subcortical White Matter
Deep White Matter – Containing Subcortical Nuclei 3 4 5
Posterior Limb of Internal Capsule 1
Diencephalon

22. 9 Subcortical nuclei of the telencephalon 5 10 1 2 11 6 3 12 4 13 7 814

23. 1 4 6 7 5 2 8 9 3
34 is rostral to 35 10 15 23 11 19 16 12 20 24 21 25 13 17 22 26 14 18 27