12 Questions
What is the main function of primary sensory neurons?
To convey information from the body or environment into the brain and spinal cord
Where are the cell bodies of somatic motor neurons located?
In clusters or nuclei within the central nervous system
What is the function of the central process of a primary sensory neuron?
To enter the central nervous system and form synapses with second order neurons
Which type of neurons are part of the visceral motor system (autonomic nervous system)?
Visceral motor neurons
What is the primary function of motor neurons?
To activate striated muscles and modulate the activity of cardiac and smooth muscles and glands
Where are the cell bodies of primary sensory neurons located?
In the dorsal root ganglia or cranial nerve ganglia
Which nerves are not included in the discussion?
The olfactory nerve and the optic nerve
What are the nuclei that are the origin of all somatic and visceral motor output of the central nervous system?
The location of all alpha motor neurons and preganglionic visceral motor neurons
What is the most important general principle of organization in the central nervous system from the viewpoint of clinical practice?
Each CNS function involves groups of interconnected neurons distributed throughout several CNS subdivisions
What are the groups of neurons that together subserve a particular function called?
Systems
What are the structures containing the neurons and axons of a particular system collectively referred to as?
Pathways
What will be studied in future tutorials?
Several important sensory and motor pathways in detail
Explore how the central nervous system interacts with the outside world through primary sensory neurons and motor neurons. Learn about the functions of these neurons and their connections to different parts of the body.
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