Intro to brainstem

Question 1

Separates occipital lobe from the cerebellum

Answer 1

Tentorium cerebelli

Question 2

CN Nuclei in the midbrain

Answer 2

3

4

Question 3

CN in the pons

Answer 3

5-8

Question 4

CN in the medulla

Answer 4

9-12

Question 5

Upper dorsal boundary of medulla

Answer 5

Stria medullaris

Question 6

Upper dorsal boundary of pons

Answer 6

Exit of CN 4

Question 7

Tissue dorsal to plane of cerebral aqueduct

Answer 7

Tectum

Question 8

Most ventral segment of brainstem containing descending motor cortical tracts

Answer 8

Basis

Question 9

Core between tectum and basis containing CN nucleu, ascending sensory tracts

Answer 9

Tegmentum

Question 10

Massive bundle fibers connecting cerebral cortex with the brainstem

Answer 10

Crus cerebri or cerebral peduncles

Question 11

Fossa where CN 3 oculomotor exits

Answer 11

Interpenduncular fossa

Question 12

CN exiting on the dorsal surface of the midbrain

Answer 12

CN 4 trochlear

Question 13

Visual relay nucleus connecting to lateral geniculate body in diencephalon

Answer 13

Superior colliculus

Question 14

Auditory relay nucleus connecting medial geniculate body in the diencephalon

Answer 14

Inferior colliculus

Question 15

Exit of CN 6 7 8

Answer 15

Inferior pontine sulcus

Question 16

Angle where CN 7 8 exits

Answer 16

Cerebellopontine angle

Question 17

Depression in the anteromedian of pons

Answer 17

Basilar sulcus

Question 18

CN Located at the anterolateral portion of pons

Answer 18

CN 5

Question 19

Floor of the IV ventricle

Answer 19

Rhomboid fossa

Question 20

Demarcates the basal plate and alar plate derivatives

Answer 20

Sulcus limitans

Question 21

Fiber tract carrying conscious proprioceptive impulses from lower extremities

Answer 21

Fasciculus gracilis

Question 22

Enlargement lateral to fasciculus cuneatum which overlies the spinal nucleus of CN 5

Answer 22

Tuberculum cinerium

Question 23

CN located at the lateral of pons

Answer 23

CN 5

Question 24

Exit of CN 12

Answer 24

Anterolateral or preolivary sulcus

Question 25

Exit of CN 9 10 11

Answer 25

Post olivary sulcus

Question 26

Neural cavity in Open Medulla

Answer 26

Fourth Ventricle

Question 26

Neural cavity in the Closed Medulla

Answer 26

Central Canal