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ANNNAA > Anatomy: PNS > Flashcards

Anatomy: PNS Flashcards

1
Q

What is the posterior ramus(Dorsal branch)?

A

Posterior division of spinal nerve

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2
Q

What is the anterior ramus(Ventral branch)?

A

Anterior division of spinal nerve

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3
Q

What are the plexus?

A

Are branching network of nerves/vessels

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4
Q

What are ganglion?

A

Nerve cell clusters/group of nerve bodies in the autonomic nervous system/sensory system

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5
Q

What are afferent?

A

Are input nerve fibres

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6
Q

What are efferents?

A

Output nerve fibres

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7
Q

What is the dura?

A

The dura is the thick outer meningeal layer attached to the skull

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8
Q

What is the arachnoid?

A

It’s a layer containing arachnoid space/blood brain barrier for exchange between blood and CSF

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9
Q

What is the pia?

A

Pia is the protective layer directly over the brain and continues down the spinal cord

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10
Q

What are the white ramus communicans?

A

Are preganglionic sympathetic nerve tract fibres from the spinal cord

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11
Q

What are the grey ramus communicans?

A

Are postganglionic nerve fibres for sympathetic tract

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12
Q

Where does the brachial plexus arise from?

A

Arises from C5-T1 sensory and motor fibres

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13
Q

How many peripheral nerves does the brachial plexus give rise to?

A

Gives rise to the 5 major peripheral nerves

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14
Q

Structure of the brachial plexus?

A
  • 5 roots
  • 3 trunk
  • 2 division
  • 3 cords
  • Terminal branches

mnemonic:
Rugby Teams Drink Cold Beers

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15
Q

CHECK SLIDES FOR ANATOMY OF NERVES IN ARMS

A

CHECK SLIDES FOR ANATOMY OF NERVES IN ARMS

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16
Q

CHECK SLIDES FOR ANATOMY OF NERVES IN HAND

A

CHECK SLIDES FOR ANATOMY OF NERVES IN HAND

17
Q

Where does the lumbosacral plexus arise from?

A

Arises from L1-S3

  • lubar plexus(L1-L4)
  • Lumbosacral trunk(L4/L5)
  • Sacral plexus(S1-S3)
18
Q

What is the largest nerve in the body?

A

Sciatic nerve

19
Q

What does the sciatic nerve bifurcate to become?

A

Bifurcates to become the tibial and common fibular nerves

20
Q

What are the major branches of the lumbosacral plexus?

A
  • Femoral(Quadriceps)
  • Obturator(adductor muscles)
  • Tibial(Hamstrings, calf muscles)
  • Commo fibular/peroneal(Anterior leg)
21
Q

CHECK SLIDE FOR LUMBOSACRAL ANATOMY

A

CHECK SLIDE FOR LUMBOSACRAL ANATOMY

22
Q

CHECK SLIDES FOR ANATOMY OF LEG THORAX AND ABDOMEN

A

CHECK SLIDES FOR ANATOMY OF LEG THORAX AND ABDOMEN

23
Q

What does the somatic nervous system supply?

A

Motor supply to somatic/skeletal musculature

-Voluntary

24
Q

What does the ANS supply?

A

ANS supply visceral smooth muscle and glands

-Involuntary

25
Q

CHECK SLIDES FOR ANATOMY OF SNS AND ANS

A

CHECK SLIDES FOR ANATOMY OF SNS AND ANS

ANNNAA (4 decks)

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