Chapter 12 Vocab Flashcards Preview

Nervous Chapter 11 > Chapter 12 Vocab > Flashcards

Flashcards in Chapter 12 Vocab Deck (16)
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Q

Cervical enlargement

A

Inferior cervical region of spinal cord. Supply upper limbs

1
Q

Spinal cord

A

Major communication between brain and PNS inferior to the head

2
Q

Lumbosacral enlargement

A

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

3
Q

Conus medullaris

A

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

4
Q

Cauda equina

A

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

5
Q

Meninges

A

Connective tissue that surrounds spinal cord and brain

6
Q

Dura matter

A

Most superficial and thickest membrane

7
Q

Thecal sac

A

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

8
Q

Epidural space

A

True space between walls of vertebral canal and dura mater

9
Q

Arachnoid mater

A

Deeper than subdural space, wispy, thin

10
Q

Pia mater

A

Third, deepest layer of meninges

11
Q

Denticulate ligaments

A

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

12
Q

Filum terminale

A

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

13
Q

Subarachnoid space

A

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

14
Q

Anterior median fissure and posterior median sulcus

A

Deep clefts partially departing two halves of spinal cord.

15
Q

White matter is organized into

A

Columns (ventricle and dorsal)