Cerebellum

Question 1

Where does the cerebellum lie?

Answer 1

Posterior cranial fossa

Question 2

What separates the cerebellum from the cerebrum?

Answer 2

Tentorium cerebelli

Question 3

What does the anterior notch of the cerebellum lodge?

Answer 3

Pons and medulla

Question 4

What does the posterior notch of the cerebellum lodge?

Answer 4

Falx cerebelli

Question 5

What connects the two cerebellar hemispheres?

Answer 5

Vermis

Question 6

What does the horizontal fissure of the cerebellum separate?

Answer 6

Superior from inferior surface

Question 7

What does fissure prima seperate?

Answer 7

Anterior lobe of cerebellum from posterior lobe

Question 8

What does the posterolateral fissure seperate?

Answer 8

Posterior lobe from flocculo-nodular
lobe

Question 9

Describe cerebellar nuclei, lateral to medial

Answer 9

Dentate, emboliform, globose and fastigial nuclei

Question 10

The 3 functional lobes of the cerebellum

Answer 10

• Archicerebellum
• Paleocerebellum
• Neocerebellum

Question 11

What type of connections does the archicerebellum have?

Answer 11

Vestibular

Question 12

What is the archicerebellum concerned with?

Answer 12

Equilibrium

Question 13

What is the archicerebellum formed off?

Answer 13

2 flocculi & nodule

Question 14

What type of connection does the paleocerebellum have?

Answer 14

Spinal (spino cerebellar)

Question 15

What type of input does the paleocerebellum receive?

Answer 15

Proprioceptive

Question 16

What is the paleocerebellum concerned with?

Answer 16

Coordination of movement

Question 17

What is the paleocerebellum formed off?

Answer 17

1 vermal part, 2 paravermal parts

Question 18

The vermal part of the paleocerebellum has connections to what?

Answer 18

Trunk muscles of both sides

Question 19

How does the vermal part of paleocerebellum connect to the trunk muscles?

Answer 19

Via the fastigial nucleus

Question 20

What are the paravermal parts of the paleocerebellum connected to ?

Answer 20

Distal limb muscles of the same side

Question 21

How are the paravermal parts of the paleocerebellum connected to the muscles?

Answer 21

Via globose and emboliform nuclei

Question 22

What type of connection does the neocerebellum have?

Answer 22

Cortico-Porto-cerebellar

Question 23

Neocerebellum projects to what? Via what?

Answer 23

Contralateral cerebral cortex, via the dentate nucleus

Question 24

Neocerebellum interacts with what?

Answer 24

Motor cortex in planning & programming movement

Question 25

What is the Neocerebellum formed of?

Answer 25

The most lateral parts of cerebellar hemispheres

Question 26

Each cerebellar hemisphere is connected with what side of the body? Ipsilateral or contralateral?

Answer 26

Ipsilateral

Question 27

Each cerebellar hemisphere is connected to what side of cerebral hemisphere? Ipsilateral or contralateral?

Answer 27

Contralateral

Question 28

Superior cerebellar artery is a branch of which artery?

Answer 28

Basilar

Question 29

Anterior inferior cerebellar artery is a branch of what artery?

Answer 29

Basilar artery

Question 30

Posterior inferior cerebellar artery is a branch of what?

Answer 30

Vertebral artery

Question 31

Superior cerebellar veins drain into?

Answer 31

Venous sinuses - straight and transverse Great cerebral vein

Question 32

Inferior cerebellar veins drain into?

Answer 32

Venous sinuses - Straight, sigmoid, occipital & inferior petrosal

Question 33

What do the inferior cerebellar peduncle connect?

Answer 33

Cerebellum to medulla

Question 34

List the afferent fibers of the ICP

Answer 34

- Posterior spinocerebellar tract - Dorsal external arcuate fibers - Ventral external arcuate fibers - Olivo-cerebellar fibers - Para-olive-cerebellar fibers - Vestibulo-cerebellar fibers - Reticulo-cerebellar fibers

Question 35

List the efferent fibers of the ICP

Answer 35

- Cerebello-vestibular fibers - Cerbello-reticular fibers - Cerebello-Olivary fibers

Question 36

What does the MCP connect

Answer 36

Cerebellum to the pons

Question 37

What fibers does the middle cerebellar peduncle contain

Answer 37

Cortico-Porto-cerebellar fibers

Question 38

What does the SCP connect?

Answer 38

Cerebellum to mid-brain

Question 39

List the afferent fibers of the SCP

Answer 39

- Anterior spinocerebellar tract - Tecto-cerebellar tract

Question 40

List the efferent fibers of the SCP

Answer 40

- Fastigio-reticular fibers - Cerebello-rubral fibers - Dentato-thalamic fibers - Dento-Rubio-thalamic fibers