Spinal Tracts

Question 1

lateral spinothalamic

Answer 1

pain and temperature

Question 2

ventral spinothalamic

Answer 2

pressure and crude touch

Question 3

dorsal column

Answer 3

vibration, proprioception and two point discrimination

Question 4

spinocerebellar

Answer 4

proprioception in joints and muscles

Question 5

cuneocerebellar

Answer 5

proprioception in joints and muscles

Question 6

spinotecetal

Answer 6

tactile, painful and thermal stimuli

Question 7

spinoreticular

Answer 7

integration of stimuli from joints and muscles into the reticular formation

Question 8

spino-olivary

Answer 8

additional information to the cerebellum as an accessory pathway

Question 9

corticospinal

Answer 9

voluntary, discrete, skilled motor activities

Question 10

reticulospinal

Answer 10

regulation to voluntary movements and reflexes

Question 11

rubrospinal

Answer 11

promotion of flexor and inhibition of extensor muscle activity

Question 12

vestibulospinal

Answer 12

inhibition of flexor and promotion of extensor muscle activity

Question 13

tectospinal

Answer 13

postural movements from visual stimuli

Question 14

where does the spinal cord finish

Answer 14

L1

Question 15

where are the lordosis - forward curvatures in the spine

Answer 15

cervical and lumbar regions

Question 16

where are the kyphosis - backwards curvatures in the spine

Answer 16

thoracic and sacral regions

Question 17

what does the spinal cord taper off to form

Answer 17

the conus medullaris

Question 18

at the inferior border of L1, what is the filamentous extension of the spinal cord that continues caudally, to the point of insertion at the coccyx

Answer 18

filum terminale

Question 19

at the lumber enlargement, what do the spinal nerves aborize to form

Answer 19

the cauda equina, which exits the vertebral canal via the respective foramina

Question 20

what is Clarke’s nucles

Answer 20

nucleus dorsalis found in the dorsal column

Question 21

what does the ventral grey column contain

Answer 21

cell bodies of the alpha motor fibres that relay information to that suit

Question 22

what does the intermediate column contain

Answer 22

houses cells that produce the preganglionic sympathetic trtacts

Question 23

what is each half of the grey column united by

Answer 23

a horizontal grey commisure

Question 24

anterior funiculus

Answer 24

limited medially by the ventral median sulcus, and laterally by the ventrolateral sulcus

Question 25

lateral funiculus

Answer 25

limited ventrally and dorsally by the ventrolateral and dorsolateral sulci

Question 26

posterior funiculus

Answer 26

located lateral to the dorsal median sulcus and medial the dorsolateral sulcus

Question 27

what can the dorsal funiculus be divided into

Answer 27

the gracile and cuneate fasiculus

Question 28

where do the fibres of the rubrospinal tract originate

Answer 28

the red nucleus of the midbrain and travels through the spinal cord

Question 29

overview of the pyramidal tracts

Answer 29

Question 30

what do Pacinian corpuscles sense

Answer 30

vibration and pressure sensation

Question 31

what do meissner’s corpuslces sense

Answer 31

light touch

Question 32

what do Merkel’s discs sense

Answer 32

pressure receptors

Question 33

what do Golgi tendons sense

Answer 33

proprioception