SCI: NUCLEUS : GRAY MATTER

Question 1

T1 to L2-3
Relays unconscious
proprioception to
cerebellum

Answer 1

Nucleus Dorsalis

of Clark

Question 2

At the head of posterior

gray commissure

Answer 2

Nucleus Proprius

Cornu Dorsalis

Question 3

All segments

Relays crude touch

Answer 3

Nucleus Proprius

Cornu Dorsalis

Question 5

At the lateral horn levels

T1 to L2-3

Answer 5

Nucleus

Intermediolateralis

Question 6

All segments
It’s the final common
pathway of Sherrington
sending motor impulses
to skeletal ms

Answer 6

Nucleus Ventralis

Question 7

C1-C6
Spinal component for
CN 11

Answer 7

Nucleus

Accessorius

Question 8

Covers the head of the
posterior gray
commissure

Answer 8

Nucleus of
Rolando
(Substantia
Gelatinosa)

Question 9

At the center of anterior

gray commissure

Answer 9

Nucleus Ventralis

Question 10

At the medial base of
posterior gray
commissure

Answer 10

Nucleus Dorsalis

of Clark

Question 10

S2-S4
Preganglionic
parasympathetic fibers
(cranial sacral outflow)

Answer 10

Sacral Autonomic

Nuclei

Question 13

At the lateral anterior

gray column

Answer 13

Sacral Autonomic

Nuclei

Question 14

All segment
Relays pain &
temperature

Answer 14

Nucleus of
Rolando
(Substantia
Gelatinosa)

Question 14

At the lateral anterior

gray commissure

Answer 14

Nucleus

Accessorius

Question 14

For preganglionic
sympathetic fibers
(thoracolumbar outflow)

Answer 14

Nucleus

Intermediolateralis