neuroanatomy - Cerebellum

Question 1

what is the function of the cerebellum?

Answer 1

coordination, precision and timing of movements as well as motor learning

Question 2

the anterior portion of the neural tube forms three parts?

Answer 2

forebrain, midbrain and hindbrain

Question 3

the forebrain is from the?

Answer 3

prosencephalon

Question 4

the midbrain is from the?

Answer 4

mesencephalon

Question 5

the hindbrain is from the?

Answer 5

rhombencephalon

Question 6

the hindbrain subsequently divides into the?

Answer 6

metencephalon (superior) and the myelencephalon (inferior0

Question 7

the location of the cerebellum is? (3)

Answer 7

it is located at the back of the brain, immediately inferior to the occipital and temporal lobes and within the posterior cranial fossa

Question 8

the tentorium cerebella is a?

Answer 8

tough layer of dura mater

Question 9

what separates the pons and the cerebellum?

Answer 9

the 4th ventricle

Question 10

what is the at the same level and posterior to the pons?

Answer 10

cerebellum

Question 11

what connects the two hemispheres of the cerebellum?

Answer 11

vermis

Question 12

the grey matter part of the cerebellum is called the?

Answer 12

cerebellar cortex

Question 13

what is located underneath the cerebellar cortex?

Answer 13

white matter

Question 14

what are the four cerebellar nuclei?

Answer 14

the dentate, emboliform, globose and fastigi nuclei

Question 15

there are three anatomical lobes in the cerebellum (3)

Answer 15

anterior, posterior and flocculonodular

Question 16

what are the two fissures that divide the three lobes of the cerebellum?

Answer 16

primary fissure and posterolateral fissure

Question 17

there are three cerebellar zones

Answer 17

vermis
intermediate zone
lateral zone

Question 18

where is the vermis located?

Answer 18

in the midline of the cerebellum

Question 19

where is the intermediate zone located?

Answer 19

on either side of the vermis

Question 20

where is the lateral zone located?

Answer 20

lateral to the intermediate

Question 21

there is no difference in ——- structure between the lateral hemispheres and the intermediate zones

Answer 21

gross

Question 22

what are the three functional areas of the cerebellum?

Answer 22

cerebrocerebellum
spinocerebellum
vestibulocerebellum

Question 23

what is the largest division of the cerebellum?

Answer 23

cerebrocerebellum

Question 24

what is the cerebrocerebellum formed by?

Answer 24

the lateral hemispheres

Question 25

what is the function of the cerebrocerebellum? (5)

Answer 25

planning movements and motor learning. regulating coordination of muscle activation and is important in visually guided movements.

Question 26

where does the cerebrocerebellum receive input from?

Answer 26

cerebral cortex and pontine nuclei

Question 27

where the cerebrocerebellum sent output to?

Answer 27

thalamus and red nucleus

Question 28

what does the spinocerebellum comprise of?

Answer 28

vermis and intermediate zone of the cerebellar hemispheres

Question 29

what is the function of the spinocerebellum?

Answer 29

regulating body movements by allowing for error correction and also receiving proprioceptive information

Question 30

what is the functional equivalent to the flocculonodular lobe?

Answer 30

vestibulocerebellum

Question 31

what is the function of the vestibulocerebellum?

Answer 31

controlling balance and ocular reflexes, mainly fixation on a target

Question 32

where does the veesstibulocerebellum receive input from?

Answer 32

vestibular system

Question 33

where does the vestibulocerebellum send output back to?

Answer 33

the vestibular nuclei

Question 34

what are the three paired arteries that supply the cerebellum?

Answer 34

superior cerebellar artery anterior inferior cerebellar artery posterior inferior cerebellar artery

Question 35

the SCA and AICA are branches of the?

Answer 35

basilar artery

Question 36

the SCA and AICA wrap around the anterior aspect of the ------- before reaching the cerebellum

Answer 36

pons

Question 37

the PICA is a branch of the

Answer 37

vertebral artery

Question 38

the venous drainage of the cerebellum is by the

Answer 38

superior and inferior cerebellar veins

Question 39

the superior and inferior cerebellar veins drain into the?

Answer 39

superior petrosal, transverse and straight dural venous sinuses