Chapter 12 Vocab

Question 0

Cervical enlargement

Answer 0

Inferior cervical region of spinal cord. Supply upper limbs

Question 1

Spinal cord

Answer 1

Major communication between brain and PNS inferior to the head

Question 2

Lumbosacral enlargement

Answer 2

Inferior thoracic,lumbar, superior scarab regions. Supply’s the lower limbs.

Question 3

Conus medullaris

Answer 3

Immediately inferior to the lumbosacral enlargement, spinal cord forms a cone like region.

Question 4

Cauda equina

Answer 4

Roots of spinal nerves extend inferiority from the lumbosacral enlargement and conus medullaris and resemble a horse tail

Question 5

Meninges

Answer 5

Connective tissue that surrounds spinal cord and brain

Question 6

Dura matter

Answer 6

Most superficial and thickest membrane

Question 7

Thecal sac

Answer 7

Dura matter that surrounds the spinal cord from the foramen magnum to the second sacral vertebrae

Question 8

Epidural space

Answer 8

True space between walls of vertebral canal and dura mater

Question 9

Arachnoid mater

Answer 9

Deeper than subdural space, wispy, thin

Question 10

Pia mater

Answer 10

Third, deepest layer of meninges

Question 11

Denticulate ligaments

Answer 11

Connective tissue septa extending from lateral sides of spinal cord to dura mater.

Question 12

Filum terminale

Answer 12

Connective tissue strand that anchors conus medullaris and the cal sac to first coccygeal vertebrae

Question 13

Subarachnoid space

Answer 13

Below arachnoid mater, above pia mater, blood vessels, CSF

Question 14

Anterior median fissure and posterior median sulcus

Answer 14

Deep clefts partially departing two halves of spinal cord.

Question 15

White matter is organized into

Answer 15

Columns (ventricle and dorsal)