17 Questions
What is the major function of glial cells in the nervous system?
Supportive, nutritive, and protective for nerve cells
What is the term for the part of a neuron that contains the nucleus and cytoplasm?
Cell body or perikaryon
Which type of neuron has only one fiber arising from each pole of the cell?
Bipolar neuron
What is the name of the granules found in the cytoplasm of the cell body and dendrites?
Nissl granules
What is the main difference between the central and peripheral nervous systems?
Anatomical structure
What is the role of neurofilaments in neurons?
To provide support and maintain the structure of the neuron
What is the term for the long, slender extension of a neuron that carries nerve impulses away from the cell body?
Axon
What is the function of motor neurons?
To transmit motor impulses from CNS to muscles
What is the most common type of neuron found in the human nervous system?
Multipolar neuron
What type of neuron connects both motor and sensory neurons?
Associative neurons
What is the function of neurofilaments in neurons?
Structural support
What is the site of contact between two successive neurons?
The synapse
What is the part of the neuron that may be a dendrite, a cell body or an axon?
The postsynaptic element
What type of synapse occurs when the end foot contacts a dendrite?
Axodendritic synapse
What type of synapse is characterized by the transport of impulses through gap junctions?
Electrical synapse
What is the function of sensory neurons?
To transmit sensory impulses from receptors to CNS
What is the dilated part of the axon terminal or the end foot?
The presynaptic element
Learn about the anatomy and histology of the nervous system, including the central and peripheral nervous systems, nerve cells, and glial cells. Understand the structure and function of neurons and their supportive cells.
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