neuro 3 - the spinal cord

Question 1

neurons are connected by

Answer 1

a single axon, or a bundle of axns known as a nerve tract of fasciculus

Question 2

enlargements of the spinal cord

Answer 2

at the cervical and lumbar levels, associated with the limbs

Question 3

dentate ligament

Answer 3

extensions of the pia that anchors the spinal cord

Question 4

dorsal roots

Answer 4

nerve fibres that connect the spinal cord to the dorsal root ganglion

Question 5

conus medullaris

Answer 5

tapering the spinal cord into a strand of connective tissue that anchors the spinal cord (filum terminale)

Question 6

cauda equina

Answer 6

bundle of nerve fibres that extend beyond the conus medullaris

Question 7

fissure in the middle of the anterior spinal cord

Answer 7

anterior median fissure

Question 8

gracile fascicle and cuneate fassicle

Answer 8

dorsal

white matter

Question 9

ratio of grey matter to white matter

Answer 9

less white matter as you go down

Question 10

fissue and sulcus

Answer 10

ventral median fissure on the ventral side and drsal median sulcus on the dorsal side

Question 11

2 ascending tracts

Answer 11

dorsal column-medial lemniscal pathway

anterolateral system

Question 12

descending pyrimidal tracts

Answer 12

corticospinal tracts

corticbulbar tracts