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Spinal Cord > Spinal Meninges > Flashcards

Spinal Meninges Flashcards

1
Q

3 Meninge Layers

A

DAP

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2
Q

Dural Sac

A

Filum Terminlae

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3
Q

Filum Terminale

A

Pia from infeor most aspuct of conus mellairs

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4
Q

What does fillum terminal push through?

A

Dural sac and taking arachnoid and dura mater with it

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5
Q

What does Filum terminale form?

A

Strong ANchor on posterior coccyx

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6
Q

Arachnoid Mater

A

Middle Layer
Spider mother
Delicate & avascular

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7
Q

What does the arachnoid matter enclose?

A

CSF with subarachnoid space btwn it and pia mater

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8
Q

CSF is a cushion for what?

A

the spinal cord, clear odorless, lwo in protein and celllular content

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9
Q

Pia Mater

A

Inner most matter

MOST Delicate mother

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10
Q

Pia matter closley follows the surface of the

A

Cord

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11
Q

What does Pia matter directly cover?

A

Spina Never roots and blood vessels

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12
Q

What does pia matter continue as?

A

Filum Terminale

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13
Q

Spinal nerves caries what two things?

A

Dorsal ( afferent sensory) & ventral (efficient motor) from one spinal segment

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14
Q

Where do the spinal nerves run in?

A

Subarachnoid space covered in pia matter

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15
Q

Each spinal nerve pierces what?

A

Dura matter separately taking arachnoid mater with it

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16
Q

Where does the spinal cord end?

A

L1 / L2 level
COnus MEdullaries
Cauda Equina

17
Q

Lumbar cistern

A

enlargement of subarachnoid space to accommodate cauda equina

18
Q

Derma tomes/ Myotomes

A

area of skin innervated by single spinal nerve, muscle receiving innervation from a single spinal level

19
Q

Blending of spinal segments in plexuses

A

Cervical ,

Brachial, Lumbar, Sacral

20
Q

Myotomes

A 
C3-5: Diaagprhan ( dont
C5: Elbow Flexion ( eat
C6: wrist ( with)
C7: Elbow Extension ( eggs)
C8:FInger flexion
T1:  finger obduction 
T1-T2: CHest walls/abs
L2: hip Flexion
L3  Knee extension
L4: Ankle dorsi flexion
L5: Toe extension
s1: ankle plantarfelxion
S3-S5: Bowel, bladder sexual

Spinal Cord (2 decks)

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