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Scorebuilders Neuromuscular > Neuroanatomy: Anatomical Divisions of the Nervous System > Flashcards

Neuroanatomy: Anatomical Divisions of the Nervous System Flashcards

1
Q

What are the components of the Prosencephalon: Forebrain

A

Telencephalon
Diencephalon

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2
Q

What are the components of the Telencephalon:

A

Cerebrum (cerebral cortex)
Hippocampus
Basal Ganglia
Amygdala

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3
Q

What are the components of the Diencephalon:

A

Thalamus
Hypothalamus
Subthalamus
Epithalamus

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4
Q

What are the components of the Midbrain: Mesencephalon

A

Tectum
Tegmentum

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5
Q

What are the components of the Tectum

A

Superior and inferior Colliculi

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6
Q

What are the components of the Tegmentum

A

Cerebral Aqueduct
Periaqueductal Gray
Reticular Formation
Substantia Nigra
Red Nucleus

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7
Q

What are the components of the Hindbrain: Rhombencephalon

A

Metencephalon
Myelencephalon

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8
Q

What are the components of the Metencephalon

A

Cerebellum
Pons

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9
Q

What are the components of the myelencephalon

A

medulla oblongata

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10
Q

What are the components of the Brainstem?

A

Midbrain
Pons
Medulla Oblongata

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11
Q

What are the components of the Gray Matter?

A

Unmyelinated Neurons

Contains:
- glial cells
- Cell bodies
- Dendrites

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12
Q

What are the components of the White Matter?

A

Myelinated Neurons

Contains nerve fibers without dendrites

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13
Q

What are the divisions of spinal nerves at each vertebral level?

A

8 Cervical
12 Thoracic
5 Lumbar
5 Sacral
1 Coccygeal

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14
Q

What information do efferent fibers carry from the CNS?

A

Motor Information

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15
Q

What information do afferent fibers carry to the CNS?

A

Sensory Information

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16
Q

What is the sympathetic division of the Autonomic Nervous System?

A

Prepares the body for an emergency response; Fight or Flight

17
Q

What is the parasympathetic division of the Autonomic Nervous System?

A

Used for conserving bodies energy
Rest and Digest

18
Q

What type of neurotransmitters are used by the parasympathetic Division of the ANS?

A

Acetylcholine

19
Q

What type of neurotransmitters are used by the sympathetic Division of the ANS?

A

Norepinephrine

20
Q

Characteristics of the Autonomic Nervous System

A
  • Contains the CNS and PNS

innervates involuntary:
- processes
- glands
- internal organs
- smooth muscles
- stress responses and homeostasis

21
Q

Characteristics of the Somatic Nervous System

A

Motor nerve fibers

  • motor nerve fibers send information to the skeletal muscles
  • all nerve fibers are myelinated
  • controls voluntary movements
  • all five senses are influenced by the SNS
22
Q

The outer layer of embryonic tissue is termed:

endoderm
mesoderm
ectoderm
entoderm

A

Embryonic tissue differentiates into three distinct layers. From the outer to inner layer, embryonic tissue is termed: ectoderm, mesoderm, endoderm. Entoderm is a synonymous term for endoderm.

Ectoderm

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