Term 2 Nervous Supply to Upper Limbs Flashcards

1
Q

Which category of nerves supply the upper limbs?

A

Spinal Nerves and their branches

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2
Q

What nervous system are spinal nerves and their branches a part of?

A

The peripheral nervous system

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3
Q

Spinal nerves associate with the __________

A

Spinal cord

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4
Q

Spinal nerves are arranged as _______ _______ with their associated ________ _______

A

Spinal nerves are arranged as parallel axons with their associated neuroglial cells

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5
Q

What three layers of connective tissue surround the spinal nerves?

A
  1. Endoneurium (surrounds axons)
  2. Perineurium (surrounds fascicle)
  3. Epineurium (surrounds entire nerve)
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6
Q

Label the flow diagram that shows the organization of spinal nerves:

A
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7
Q

Continuing flow diagram of nerve organization starting from the motor anterior root and sensory posterior root

A
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8
Q

What are plexuses?

A
  • Networks formed from the axons from the anterior rami of spinal nerves (with exception of T2-T12) on both the left and right sides of the body
  • Axons do not go directly to the body structures they service
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9
Q

Name six major body plexuses:

A
  1. Cervical plexus
  2. brachial plexus
  3. Lumbar plexus
  4. Sacral Plexus
  5. Two smaller cocygeal plexuses
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10
Q
A
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