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Where do the parasympathetic nerves originate in the body?
The parasympathetic nerves originate in the brainstem and the sacral region of the spinal cord.
What target organs will have its parasympathetic regulation impacted by damage to the sacral region of the spinal cord?
urinary bladder
Origin of the spinal cord?
Spinal cord arise from the foramen magnum.
What is another name for parasympathetic?
The parasympathetic division is also called the craniosacral division because it arises from te brain and sacral region of the spinal cord; its fibers travel in certain cranial and sacral nerves. The parasympathetic division is also called the craniosacral division because it arises from te brain and sacral region of the spinal cord; its fibers travel in certain cranial and sacral nerves.
Nerve fibers in what division of the autonomic nervous system arise from the brainstem and the sacral region of the spinal cord?
Brain
From what areas of the CNS does each division originate?
The parasympathetic originates from the brain and spinal cord. The sympathetic originates from the thoracic and lumbar spinal nerves.
What systems comprise the nervous system?
The Sympathetic Nervous System and the Parasympathetic Nervous System
Where are the fibers of the parasympathetic nervous system located on the spinal cord?
The fibers of the parasympathetic nervous system are primarily located in the craniosacral regions of the spinal cord. Specifically, they originate from the brainstem nuclei of cranial nerves III (oculomotor), VII (facial), IX (glossopharyngeal), and X (vagus), as well as from the sacral spinal segments S2 to S4. These fibers exit the spinal cord and travel to target organs to promote rest-and-digest functions.
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.
The integration centers for defecation and urination reflexes are in the?
The integration centers for the defecation reflex are in the sacral region of the spinal cord and involve the parasympathetic nervous system. The integration centers for the urination reflex are in the spinal cord and brainstem, coordinating signals between the bladder, urethra, and brain to control the process of urination.
Another name for the parasympathetic nervous system is?
Another name for the parasympathetic nervous system is the craniosacral, which describes the area of the spinal cord where the nerves are located.
What does a pelvic splanchnic nerve contains?
Preganglionic parasympathetic fibers. In the Parasympathetic division, the preganglionic axons leave the ventral roots of the spinal cord and collectively form the pelvic splanchnic nerves.
