Chapter 12 Vocab Flashcards Preview

Nervous Chapter 11 > Chapter 12 Vocab > Flashcards

Flashcards in Chapter 12 Vocab Deck (16)
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Spinal cord

Major communication between brain and PNS inferior to the head

1

Cervical enlargement

Inferior cervical region of spinal cord. Supply upper limbs

2

Lumbosacral enlargement

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

3

Conus medullaris

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

4

Cauda equina

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

5

Meninges

Connective tissue that surrounds spinal cord and brain

6

Dura matter

Most superficial and thickest membrane

7

Thecal sac

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

8

Epidural space

True space between walls of vertebral canal and dura mater

9

Arachnoid mater

Deeper than subdural space, wispy, thin

10

Pia mater

Third, deepest layer of meninges

11

Denticulate ligaments

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

12

Filum terminale

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

13

Subarachnoid space

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

14

Anterior median fissure and posterior median sulcus

Deep clefts partially departing two halves of spinal cord.

15

White matter is organized into

Columns (ventricle and dorsal)