1.2 Laminae of the spinal cord

Question 1

What lamina is associated with the marginal zone? function?

Answer 1

Lamina 1 (all levels

F: some spinothalamic tract cells

Question 2

What lamina is associated with substantia gelatinosa? function?

Answer 2

Lamina 2 (All levels)

F: modulate transmission of pain and temperature information

Question 3

What lamina is associated with body of posterior horn? function?

Answer 3

lamina 3-6 (all levels)

F: sensory processing

Question 4

What lamina is associated with clarke’s nucleus? function?

Answer 4

lamina 7 (T1-L2)

F: posterior spinocerebellar tract cells

Question 5

What lamina is associated with intermediolateral column? (nucleus of spinal cord)? function?

Answer 5

lamina 7 (T1-L3)

F: preganglionic sympathetic neurons

Question 6

What lamina is associated with sacral PS nucleus? function?

Answer 6

lamina 7 (S2-S4)

F: preganglionic parasympathetic neurons–> pelvic viscera

Question 7

What lamina is associated with Accessory nucleus? function?

Answer 7

lamina 9 (medulla- C5)

F: motor neurons–> SCM and trapezius

Question 8

What lamina is associated with phrenic nucleus?

Answer 8

lamina 9 (C3-C5)

F: motor neurons–> diaphragm