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Is short preganglionic axons parasympathetic or sympathetic?
Short preganglionic axons are characteristic of the sympathetic nervous system. In the sympathetic division, these axons originate in the spinal cord and project to nearby ganglia, which are typically located close to the spinal cord. In contrast, the parasympathetic nervous system features long preganglionic axons that extend from the brainstem or sacral spinal cord to ganglia located near or within target organs.
What is the white matter of the spinal cord contain?
axons
Where are neurosomas of the anterior root located?
Neurosomas of the anterior root are located within the grey matter of the spinal cord. They consist of cell bodies of motor neurons that project their axons out of the spinal cord to innervate muscles and glands.
Do lower motor neurons have their cell bodies in the brain and their axons in the ganglia?
No, lower motor neurons have their cell bodies in the spinal cord or brainstem and their axons extend directly to the muscles they innervate. Ganglia are clusters of cell bodies located outside the central nervous system.
What part of the spinal cord contains neurons?
Motor neurons are located in the gray matter of the brain, and their axons stretch out to the spinal cord through the ventral root. they are located in the Ventral horn of the spinal cord,
What is the structure of the spinal cord?
It is a bundle of nerve fibers (technically called axons).
Gray matter in the spinal cord is mostly?
unmyelinated axons.
What does ventral to the spinal cord means?
Ventral means front, therefore "ventral to the spinal cord" would mean "in front of the spinal cord"
Area of spinal cord that contains nerve fibers surrounded by myelin sheath?
the part of the spinal cord that contains mylinated axons is the White matter portion.
What is the different between white matter and grey matter?
grey matter- the centre area of the spinal cord that contains cell bodies, their axons and their dendrites. white matter- the outer layer of the spinal cord that contains only myelin coated axons.
What is the portion of the spinal cord made up of cell bodies and unmyelinated axons?
Gray matter
Is it true that poliomyelitis results from damage to the myelin sheath around axons in the spinal cord?
true
