Notes in G24 Visceral Innervation

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Published	11/02/2024	Where are visceral sensory neuron receptors located? What do they detect?
Published	11/02/2024	Visceral motor neurons control {{c1::involuntary (smooth and cardiac) muscle fibers and certain glands }}
Published	11/02/2024	{{c1::Visceral nervous system/visceral motor innervation (historical name)}} is classically known as the {{c2::Autonomic Nervous System (ANS)}}, which…
Published	11/02/2024	The visceral motor pathway involves two neurons: a {{c1::pre-ganglionic}} neuron and a {{c1::post-ganglionic}} neuron
Published	11/02/2024	Where are pre-ganglionic neuronal cell bodies and axons of visceral motor neurons (ANS) located?
Published	11/02/2024	Where are post-ganglionic neuronal cell bodies of visceral motor neurons (ANS) located?
Published	11/02/2024	{{c2::Autonomic (visceral) motor}} pathway uses {{c1::2::#}} neuron(s), while the {{c2::Somatic motor}} pathway uses {{c1::1::#}} neuron(s)
Published	11/02/2024	Parasympathetic division of ANS:- effects conserve energy and promote normal function- {{c1::localized}} targets and effects- both the pre- and post-g…
Published	11/02/2024	Sympathetic Division of ANS:- prepares the body for action "fight or flight"- {{c1::multiple, broad}} targets and effects- pre-ganglionic neurons rele…
Published	11/02/2024	Enteric Division of ANS:- subdivision of PNS located entirely within the {{c2::walls of the GI tract}}- consists of two complex and interconnected ple…
Published	11/02/2024	Are there any parasympathetic effects on the skin?
Published	11/02/2024	How do sympathetic and parasympathetic innervation affect the lungs?
Published	11/02/2024	Where are pre-ganglionic cell bodies of the parasympathetic division of the ANS located?
Published	11/02/2024	What do Autonomic plexuses consist of?
Published	11/02/2024	Most pre-ganglionic parasympathetic neurons of the ANS are associated w/ the {{c1::vagus}} nerve. Their axons distribute throughout the thoracic cavit…
Published	11/02/2024	In the thorax, parasympathetic pre-ganglionic fibers join {{c1::pulmonary}}, {{c1::cardiac}}, and {{c1::esophageal}} autonomic plexuses to distribute …
Published	11/02/2024	In the abdomen, parasympathetic pre-ganglionic fibers (vagal trunks from esophageal plexus) enter {{c1::autonomic plexuses}} associated with the {{c1:…
Published	11/02/2024	Route of parasympathetic pre-ganglionic axons in sacral spinal cord segments:- pre-ganglionic fibers exit the {{c1::S2-S4 spinal cord segments}} via t…
Published	11/02/2024	Where are post-ganglionic parasympathetic cell bodies located?
Published	11/02/2024	Is there parasympathetic nerve distribution to the limbs or body wall?
Published	11/02/2024	Splanchnic nerves convey {{c1::visceral motor and sensory}} fibers to and from the viscera. They can be {{c1::parasympathetic}} or {{c1::sympathetic}}
Published	11/02/2024	Pre-ganglionic sympathetic cell bodies are in the ventro-lateral horns of the gray matter of spinal cord segments {{c1::T1-L2/3}} only
Published	11/02/2024	Post-ganglionic sympathetic cell bodies are in one of two types of autonomic ganglia: {{c1::chain / paravertebral}} ganglia or {{c1::pre-vertebral}} g…
Published	11/02/2024	Where do fibers of post-ganglionic sympathetic neurons distribute to?
Published	11/02/2024	{{c1::Chain / Paravertebral}} ganglia are linked by sympathetic fibers to form {{c2::sympathetic chains / trunks}} that run along either side of the {…
Published	11/02/2024	Pre-ganglionic sympathetic fibers exit the spinal cord via the {{c1::ventral roots}}, pass through the spinal nerve proper, and enter the {{c1::ventra…
Published	11/02/2024	Pre-ganglionic sympathetic fibers split from the ventral rami as {{c1::white rami communicates}} and enter the {{c2::sympathetic chain}}. {{c1::White …
Published	11/02/2024	Within the sympathetic chain, pre-ganglionic sympathetic fibers (white rami communicates) do one of two things depending on their ultimate target:
Published	11/02/2024	Post-ganglionic {{c1::sympathetic}} fibers are very long with a high number of collateral branches, so their distribution is more diffuse and their ef…
Published	11/02/2024	Post-ganglionic sympathetic fibers distributing to the body wall and limbs exit the sympathetic chain as {{c1::gray rami communicates}} and subsequent…
Published	11/02/2024	Gray rami communicates are associated w/ {{c1::every}} spinal nerve at {{c1::all}} spinal cord levels
Published	11/02/2024	Post-ganglionic sympathetic fibers distributing to the head and neck branch directly from the {{c1::superior cervical}} ganglia and course along branc…
Published	11/02/2024	Heart and Lungs:Post-ganglionic sympathetic fibers split from the {{c1::lower cervical}} and {{c1::upper thoracic}} chain ganglia as {{c1::cardiopulmo…
Published	11/02/2024	Esophagus:Post-ganglionic sympathetic fibers split from {{c1::thoracic}} chain ganglia and contribute to the esophageal autonomic plexus
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Published	11/02/2024	Visceral sensory/afferent fibers course retrograde to the CNS with {{c1::sympathetic and parasympathetic visceral motor fibers}} from the same target …
Published	11/02/2024	Visceral afferents that accompany sympathetic fibers are mainly concerned with detecting {{c1::nociception (noxious effects) and pain}}.
Published	11/02/2024	Visceral sensory fibers associated with parasympathetic fibers primarily relay information to the CNS about the status of {{c1::physiological processe…
Published	11/02/2024	nodose ganglion contain
Published	11/02/2024	interrupting nerve fibers coursing through the {{c1::celiac}} ganglion can relieve pain associated with pancreatic cancer
Published	11/02/2024	where are somatic afferent nerves typically found?
Published	11/02/2024	what do somatic sensory neurons typically detect (5)
Published	11/02/2024	what do the sacral spinal cord segments of the parasympathetic division innervate
Published	11/02/2024	lengths of parasympathetic division pre and post ganglionic neurons
Published	11/02/2024	what is the origin of the majority of preganglionic parasympathetic fibers
Published	11/02/2024	give one example of how visceral afferents can be exploited to treat intractable abdominal pain
Published	11/02/2024	Referred pain is caused by {{c1::viscerosomatic convergence}}, or the convergence of {{c1::somatic and visceral afferents}} at {{c1::the same spinal c…
Published	11/02/2024	The characteristic left arm pain and chest pain associated with myocardial infarction is caused by {{c1::viscerosomatic convergence}} of the {{c1::car…
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Published	11/02/2024	The autonomic preganglionic fibers synapse with postganglionic cell bodies in {{c1::intramural}} ganglia in, or near, the walls of the target organs
Published	11/02/2024	sympathetic preganglionic fibers distributed to the {{c1::neck}}, {{c1::superior trunk wall}}, and {{c1::upper limbs}} will {{c2::ascend}} the chain a…
Published	11/02/2024	sympathetic preganglionic fibers supplying the {{c2::middle trunk wall}} will synapse at the ganglion at the {{c1::level of entry}}
Published	11/02/2024	sympathetic preganglionic fibers distrubuted to the {{c2::inferior trunk wall}} and {{c2::lower limbs}} will {{c1::descend}} the chain and synapse at …
Published	11/02/2024	preganglionic fibers distributed to the {{c1::head}} will ascend the chain and synapse in the {{c2::superior cervical ganglion}}
Published	11/02/2024	Preganglionic fibers (T1-T5) distributed to the {{c1::thoracic viscera}} will ascend the chain to the {{c2::inferior cervical}} and {{c2::upper thorac…
Published	11/02/2024	abdominopelvic viscera involve synapsing in the {{c1::prevertebral ganglia}}
Published	11/02/2024	preganglionic fibers for abdominopelvic viscera branch from the {{c1::thoracic}}, {{c1::lumbar}}, and {{c1::sacral}} parts of the sympathetic chain as…
Published	11/02/2024	abdominopelvic preganglionic fibers arise from T5-L2 pass through the chain ganglia {{c1::without::with or without}} synapsing
Published	11/02/2024	preganglionic fibers from abdominopelvic viscera enter abdominopelvic autonomic plexuses & synapse in {{c1::prevertebral ganglia}}
Published	11/02/2024	{{c2::greater splanchnic nn. (T5-T9)}} supplies {{c1::foregut structures}}{{c2::lesser splanchnic nn. (T9-T12)}} supplies {{c1::kidneys and ureters}}{…
Published	11/02/2024	the sacral splanchnic nn. emerges from the sacral levels of the sympathetic chain and convey sympathetic fibers to {{c1::hypogastric plexuses}}
Published	11/02/2024	visceral pain sensation is difficult to localize due to {{c1::low receptor density }}
Published	11/02/2024	the vagus nerve contains more {{c1::sensory (afferent)}} fibers than {{c1::motor}} fibers
Published	11/02/2024	pelvic splanchnic nerves (s2-s4) convey {{c1::visceral pain}} fibers from the pelvic viscera and distal colon
Published	11/02/2024	what is hyperalgesia?{{c1::heightened sensitivity in the body wall or limbs caused by visceral pain}}
Published	11/02/2024	the {{c1::hypogastric}} plexuses distribute to the descending colon, sigmoid colon, rectum, pelvic organs, and genitalia
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