(02-Lab)

Question 1

1, 2, 3

Answer 1

Dorsal root, Ventral Root, Spinal ganglion

Question 2

1 and arrow

Answer 2

cauda equina

Question 3

each line - what marks each of these?

Answer 3

• spinal segments
• each segment gives rise to paired spinal nerves

Question 4

green, red, blue

Answer 4

dorsal median sulcus (depression) and septum, dorsolateral sulcus (dorsal root entry), ventral median fissure

Question 5

(1) black (2) red (3) blue (4) orange (5) gold (6) green

Answer 5

(1) nucleus thoracicus
(2) marginal nucleus (lamina I)
(3) substantia gelatinosa (lamina II)
(4) intermediolateral nucleus (lateral horn)
(5) ventral horn
(6) dorsal horn

Question 6

The remainder of the dorsal horn after the laminas have been subtracted

Answer 6

nucleus proprius

Question 7

the white hole - what lines this? What is the area between the dorsal and ventral horn?

Answer 7

• central canal
• ependymal cells
• the intermediate substance

Question 8

DF, LF, VF

Answer 8

dorsal funiculus, lateral funiculus, ventral funiculus

Question 9

top line, bootom line

Answer 9

• dorsal rootlet fibers
• ventral rootlet fibers

Question 10

• DURA
• A
• white space between P and A
• what is the spinal cord surrounded by?
• P

Answer 10

• dura mater
• arachnoid
• subarachnoid space
• cerebrospinal fluid
• Pia mater

Question 11

• green
• red
• orange

Answer 11

• dura mater
• arachnoid membrane
• pia mater

Question 12

(1) green
(2) red
(3) blue
(4) black
(5) orange

Answer 12

(1) fasciculus gracilis
(2) fasciculus cuneatus
(3) dorsolateral fasciculus
(4) spinocerviothalamic tract
(5) spinothalamic tract