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Anatomy > Spinal Cord > Flashcards

Spinal Cord Flashcards

1
Q

What are denticulate ligaments made up of?

A

Pia mater

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2
Q

What type of information is carried in a dorsal nerve root?

A

Sensory

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3
Q

What type of information is carried in a ventral nerve root?

A

Motor

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4
Q

Where do the nerve roots unite to form a spinal nerve?

A

Intervertebral foramen

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5
Q

What does the dorsal rami of a spinal nerve supply?

A

Muscles and sensation of back

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6
Q

What does the ventral rami of a spinal nerve supply?

A

Anterolateral part of trunk and limbs

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7
Q

What type of information is present in dorsal grey horn?

A

Sensory

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8
Q

What type of information is present in ventral grey horn?

A

Motor

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9
Q

What type of information is present in lateral grey horn?

A

Autonomic

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10
Q

What is the lumbar cistern?

A

Region of subarachnoid space between termination of spinal cord and termination of subarachnoid space

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11
Q

What is the conus medullaris?

A

End of the spinal cord

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12
Q

What is the cauda equina?

A

Lower lumbar, sacral and coccygeal nerve roots that descend after conus medullaris

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13
Q

What is the filum terminale?

A

Thread of pia mater that attaches to coccyx

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14
Q

At what level does the spinal cord terminate in adults?

A

L1/L2

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15
Q

At what level does the spinal cord terminate in neonates?

A

L3

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16
Q

Where is the inferior termination of subarachnoid space?

A

S2

17
Q

Where is the superior termination of the subarachnoid space?

A

Superior sagittal sinus

18
Q

Where is the inferior termination of the epidural space?

A

Sacral hiatus (S5)

19
Q

Where is the superior termination of the epidural space?

A

Foramen magnum

20
Q

What does the subarachnoid space contain?

A

Cerebrospinal fluid

21
Q

At which levels of the spinal cord is lateral grey horn present?

A

T1 to L2

22
Q

At which levels of the spinal cord is cuneate fascicle present?

A

Above T6

23
Q

At which levels of the spinal cord is gracile fascicle present?

A

All levels

24
Q

Where is the gracile fascicle?

A

Medial part of dorsal white column

25
Q

Which level of spinal cord has the most white matter and why?

A

Cervical

Because it contains axons travelling to the entire body

26
Q

Which spinal cord levels have ventral grey horn enlargements and why?

A

Cervical and lumbar

Accumulation of motor neurons for innervation of limbs

Anatomy (15 decks)

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