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Anatomy Exam 1 Lectures > Lecture 6 - Nervous System/Brachial Plexus > Flashcards

Lecture 6 - Nervous System/Brachial Plexus Flashcards

1
Q

Anatomical Organization of the Brain

A
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2
Q

Afferent Pathway

A

Sensory information to the CNS

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3
Q

Efferent Pathway

A

Motor information from the CNS

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4
Q

How many nerves are in the PNS?

A

12 pairs of Cranial Nerves 31 pairs of Spinal Nerves

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5
Q

Sympathetic System

A

In the ANS “Flight or Fight” aka Thoracolumbar

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6
Q

Parasympathetic System

A

“Feed or Breed” / “Rest & Digest” aka Craniosacral

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7
Q

Stages of Neural Tube Development

A
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8
Q

Brain Development Stages

A
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9
Q

Neural Tube Development

A
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10
Q

Neural Tube Development

A
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11
Q

Brain Development

A
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12
Q

Spinal Cord Embryo Cross-Section

A
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13
Q

Parts of a Neuron

A
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14
Q

Neuron

A
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15
Q

Structure of an Axon

A
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16
Q

Axon

A
  • Gives off endings called terinal boutons
  • Terminal boutons contain synpatic vesicles of neurotransmitters
  • Covered by neurolemma
  • Only part of a neuron that is ever myelinated
17
Q

Neurolemma

A
  • Covers the axon
  • Made of Schwann cells (that form myelin)
  • Often myelinated
18
Q

Axonal Transport

A
  • Anterograde
  • Retrograde
  • Slow Transport
  • Fast Transport
19
Q

Difference between Nucelus and Ganglion

A
  • Both are an aggregation of dendrites and nerve cell bodies
  • Nerves = CNS
  • Ganglion = PNS
20
Q

Nerve vs. Tract

A
  • Both are a bundle of fibers (axons)
  • Nerve = PNS
  • Tract = CNS
21
Q

Commissure

A

Tract in the CNS that crosses from one side to the other

22
Q

White matter

A

Areas of myelinated axons

23
Q

Grey Matter

A

Areas of unmyelinated axons, cell bodies, and dendrites

24
Q

Pathways

A
25
Q

Spinal Nerve Branches (5)

And

ANS Ganglion/Nerve (3)

A
26
Q

Reflex Arc (3)

&

Synapse

A
27
Q

Spinal Cord: Cross-Section

A
28
Q

Label the Vertebrae & Nerves

A
29
Q

Contents of the Axillary Sheath

A
30
Q

*Brachial Plexus

A
  1. Musculocutaneous Nerve
  2. Axillary Nerve
  3. Radial Nerve
  4. Median Nerve
  5. Ulnar Nerve
  6. Thoracodorsal Nerve
  7. Long Thoracic Nerve
  8. Dorsal Scapular Nerve
31
Q

Divisions of Brachial Plexus: Anterior & Posterior Divisions

A

Anatomy Exam 1 Lectures (2 decks)

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