5 Questions
Where are ganglia of the parasympathetic nervous system typically located?
Within the innervated organ
From which areas of the CNS do the preganglionic fibers of the parasympathetic nervous system originate?
Midbrain, medulla oblongata, and sacral region of the spinal cord
Which component of the facial nerve is responsible for parasympathetic innervation to certain glands?
Chorda tympani
Where do postganglionic fibers from the otic ganglion innervate?
Lacrimal glands
Why are preganglionic sympathetic fibers relatively short compared to postganglionic fibers?
Because sympathetic ganglia are close to the CNS but distant from effector organs
Learn about the sympathetic distribution to the head and neck, vasomotor, pupillodilator, secretory, and pilomotor functions originating from the three ganglia of the cervical sympathetic chain. Understand the fusion of the inferior cervical ganglion with the first thoracic ganglion to form the stellate ganglion and the presence of unpaired prevertebral ganglia in the abdomen and pelvis.
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