The Brainstem

Question 0

Between the peduncle
Also called the basal cistern
Impt for neurosurgeon, because of the nerves thst pass through

Answer 0

Interpeduncular fossa / interpeduncular cistern

Tumors can pass through and compress the cranial nerves

Question 1

Comprise the brainstem

Answer 1

Diencephalon
Midbrain (cerebral peduncle)
Pons (basis pontis)
Medulla oblongata

Question 2

Junction between the pons and the medulla

Answer 2

Pontomedullary sulcus

Question 3

Largest cerebellar peduncle

Answer 3

Middle cerebellar peduncle / brachium pontis

Question 4

Enlarging ventricle, stimulation of obex leads to…

Answer 4

Vomiting

Question 5

Sensory neurons located dorsally

Answer 5

Motor neurons located ventrally

Question 6

Distinction between motor and sensory persist up to this because of

Answer 6

Sulcus terminans

Question 7

Afferents to the special senses

Answer 7

SSA

Question 8

Sensory nerves that develop in association with the GI system

Answer 8

SVA

Question 9

Chewing
Swallowing and digesting
Smiling

Answer 9

SVE

Question 10

Know about:

Answer 10

Edinger - Westphal nucleus

Question 11

Longest nerve ever

Answer 11

Spinal nucleus of CN V

-for pain in the face

Question 12

Ambiguous nucleus in the medulla

Answer 12

CN IX and X, histologists can’t tell them apart

Question 13

Cross-over to the other side

Answer 13

Decussation

Question 14

There is no such thing as left or right brain

Answer 14

True

Question 15

Means putting layers and layers of films and wiring

Impt when dealing with spinal cord problems

Answer 15

Lamination

Question 16

Portion of the reticular formation comcerned with arousal
Damage leads to coma
Can be overexcited by psychotopic drugs, caffeine and overreactive - ADHD

Answer 16

ARAS

Ascending Reticular Activating System

Question 17

Moves the eyeballs in such a way that we don’t get cross-eyed

Answer 17

Medial longitudinal fasciculus

Question 18

Cranial nerve 6 will exit here

Answer 18

Clivus

Question 19

Prone to forming tumors. What cranial nerve?

Answer 19

VIII

Question 20

Largest opening where cranial nerves pass

Answer 20

Foramen magnum

Question 21

What is impt with 4th ventricle?

Answer 21

Know!

Question 22

Cranial nerves - extramedullary

Answer 22

Tracts - intramedullary

Question 23

Red nucleus

Answer 23

Iron is deposited
Mainly responsible for movement in animals
For babies

Question 24

Superior + inferior ____________

Answer 24

Corpora quadrigemina

Question 25

Know!!!

Answer 25

Only one of its kind, exits dorsally

Question 26

Receives afferents from hypothalamus, amygdala
Activated during stress
Neurons seem to be depleted in PTSD patients

Answer 26

Locus ceruleus

in Rostral pons

Question 27

Gives you the butterflies
Allergic reactions
Blood pressure rising

Answer 27

Solitary tract and nucleus of the vagus

Question 28

Decussation of the motor pathway

Contain the descending fibers of the corticospinal tract

Answer 28

Pyramid

Question 29

For lab exam!

Answer 29

Gracile tubercle (clava)