REXED LAMINA

Question 1

posterior horn has how many lamina?

anterior horn has how many lamina?

Answer 1

I,II,III,IV,V,VI,VII

VII,VIII,IX,X

Question 2

posterior horn

where is lamina I found

Answer 2

posterior marginal nucleus (entire cord)

Question 3

posterior horn

where is lamina II found

Answer 3

substantia gelatinosa (entire cord)

Question 4

posterior horn

where is lamina III&IV found

Answer 4

nucleus proprius (entire cord)

Question 5

posterior horn

where is lamina V found

Answer 5

reticular nucleus

Question 6

posterior horn

where is lamina VI found

Answer 6

commisural nucleus

Question 7

posterior horn

where is lamina VII found

Answer 7

thoracic nucleus (nucleus dorsals of clarke (C8-L3))

intermediomedial nucleus (T1-L2), (S2-S4)

Question 8

anterior horn

where is lamina VII found?

Answer 8

intermediolateral cell column (lateral horn)

Question 9

anterior horn

where is lamina VIII found?

Answer 9

interneuron pool (medial part of the anterior horn)

Question 10

anterior horn

where is lamina IX found?

Answer 10

alpha and gamma motoneurons