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16 Cards in this Set

  • Front
  • Back
What are 2 major divisions of the nervous system?
Central nervous system
Peripheral nervous system
What are 2 types of cells found in the nervous system?
Neurons
Neuroglia
What are 3 parts of a neuron?
cell body
dendrites
axon
What part of a neuron has many branches?
Dendrites
What carries signals toward the CNS and are also known as Sensory neurons?
Afferent neurons
What carries signals away from the CNS and are also known as Motor neurons?
Efferent neurons
What carries signals from Sensory to Motor ?
Interneurons
What is the most basic difference between an Oligondendrocyte and a Neurolemmocyte?
Oligondendrocyte is in the CNS.
Neurolemmocyt is in the PNS
What type of neuroglia creates the blood/brain barrier?
Astrocytes
What is the importance of Myelin sheaths?
Provides insulation to the Axon
What are the 4 types of Mechanoreceptors?
Light touch
Pressure
Pain
Proprioception
What are the 4 divisions of the brain?
Cerebrum
Brain stem
Cerebellum
?
What is the difference between Grey matter and White matter?
Grey-Composed of cell bodies of neurons.

White- Composed of Axons having Myelin sheaths.
What is the Cerebrums major purpose?
Controls complex mental functions.
What is the Brain stems major purpose?
Connects Cerebrum to spinal cord
What is the Cerebellums major purpose?
Its the coordinating center for Motor activity.