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Anatomy 2320 > Spinal Chord > Flashcards

Spinal Chord Flashcards

1
Q

Two longitudinal depressions

A

Posterior median sulcus
Anterior median fissure

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2
Q

Tapering inferior end of the spinal chord

A

Conus medullaris

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3
Q

Projecting out of conus medullaris are group of axons that form

A

Cauda equina

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4
Q

Thin strand of pia mater that travels in cauda equina

A

Filum terminale

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5
Q

The difference between brain and spinal meninges

A

More true space

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6
Q

Between dura mater and boeny vertebrae

A

Epidural mater

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7
Q

Only a potential space

A

Subdural mater

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8
Q

True space, filled with csf

A

Subarachnoid space

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9
Q

Between the dues matter and inner walls of vertebrae

A

Epidural space

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10
Q

Fuses with connective layers that surround spinal nerves

A

Dura mater

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11
Q

Potential space

A

Subdural mater

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12
Q

Deep to Subdural space

A

Arachnoid mater

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13
Q

True space filled with csf

A

Subarachnoid space

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14
Q

Adheres directly to spinal chord

A

Pia mater

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15
Q

Collections of spinal tract in white mater

A

Funiculi

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16
Q

Joins two anterior funiculi

A

White mater

17
Q

Joins two sides and central canal in middle

A

Grey matter

18
Q

Form motor axons from anterior root, motor

A

Anterior rootlets

19
Q

Arise from a single posterior root, sensory

A

Posterior rootlet

20
Q

Where do c1-c7 axons exit

A

Above the vertebrae of their same number

21
Q

Where does c8 axon exit

A

Under c7 vertebrae

22
Q

Posterior ramus innervates

A

Back skin and muscles (ant lat)

23
Q

Anterior ramus innervates

A

Trunk and appendages (ant lat)

24
Q

Many of the anterior rami form

A

Nerve plexus

25
Q

Anterior rami of spinal nerves t1-t11 form

A

Intercostal nerves

26
Q

T12 forms what nerve

A

Subcostal nerve

Anatomy 2320 (7 decks)

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