Rexed's Laminae Flashcards
1
Q
I
A
Posteriomarginal nucleus
2
Q
II
A
Substantia gelatinosa
Continuous with spinal trigeminal tract and nucleus in medulla
3
Q
III-IV
A
Nucleus proprius (principal sensory nucleus)
4
Q
V-VI
A
Base of posterior horn
5
Q
VII
A
Intermediate zone
Contains IMLCC, sacral visceromotor nucleus, dorsal nucleus of Clarke (posterior spinocerebellar tract)
6
Q
VIII
A
Intermediate region
Interneurons
7
Q
IX
A
Intermediate region
Contains alpha and gamma motor neurons
Accessory and phrenic nuclei
8
Q
X
A
Region surrounding central canal
9
Q
Medial neurons
A
Proximal muscles
10
Q
Lateral neurons
A
Distal muscles
11
Q
Anterior neurons
A
Extensor muscles
12
Q
Posterior neurons
A
Flexor muscles