Visceral Nervous System Flashcards
Path to esophagus
Preganglionic carried in ____ ____ and _____ and ____ ______ branches and synapse in wall of _______.
Postganglionic supply ______ ______ fibers of esophagus
Upper 1/3 of esophagus skeletal muscle supplied by ____ _____ nerve
Recurrent laryngeal and anterior andposterior esophageal
Wall of esophagus
Smooth muscle
Recurrent laryngeal
Post. Parasympathetic fibers extend to effector organs to:
Decrease CO
Constrict bronchial tree
Constrict pupils
Stimulate peristalsis
Fibers reach the distal digestive tract via the ___ ____ ___
Inferior hypogastric plexus
Visceral afferent fibers are associated with receptors that are sensitive to ____, ____ ___ and ___ ____
Pressure
Chemical concentrations
Muscle stretching
Chorda tympani carries preganglionic parasympathetic fibers through the ____ ___ and leaves temporal bone through _____ _____ . then combines with the ____ ___. Preganglionic fibers leave the ___ nerve to reach the _____ ______
Tympanic cavity Pterygotymapnic fissure Lingual nerve Lingual Submandibular ganglion
Preganglionic cells located where in vagus nerve?
Posterior (dorsal) nucleus of the vagus
Facial nerve cell bodies are located in the ____ ____ ____. It exits the CNS in the ____ ___ and are carried in two branches of the facial nerve:
Superior salivary nucleus
Greater petrosal N
Chorda tympani
Where are the cell bodies for visceral afferent fibers located?
Posterior root ganglia or relevant cranial nerve ganglion
Path to spleen
Preganglionic reach from ____ ____ ____ by way of the ___ ___
Posterior vagal trunk, splenic plexus
Path to penis/clitoris
Preganglionic travel to ____ ____ via ____ ____ ____
Parasympathetic activity results in ____ and the _____ of the sinuses of _____ tissue
Cavernous plexus
Inferior hypogastric
Vasodilation and filling, erectile tissues
Postganglionic fibers from the chorda tympani travel to _______ and _______ glands. Glands found in the ______ _____ or the _____ cavity and _____ ______ on the anterior part of the tongue also receive parasympathetic information from the submandibular gland
Submandibular and sublingual
Mucous membranes or oral cavity and lingual glands
After synapsing in the pterygopalatine ganglion postganglionic fibers are distributed in the _____ and other nerves to reach the ____, ____, _____, and _____ glands
Lacrimal
Nasal, lacrimal, palatine, and pharyngeal glands
What carry impulses from viscera via autonomic ganglia, plexus, or somatic nerves without impulse?
Peripheral processes (dendrites)
Sympathetic afferent may travel through ____ ___ and to ____ ___ by passing through the _____ _____ ____
Sympathetic trunk
Spiral ganglion
White ramus communicans
CN 10, supply ____, _____, _____ structures in the neck, thorax and abdomen
Cardiac, respiratory and digestive
The posterior lingual glands receive postganglionic fibers through the ______ branches of the glossopharyngeal nerve
Lingual
Path to stomach
Preganglionic reach stomach via _____ and _____ ______ trunks and synapse in ________ (____) and ______ (______) plexuses
Postganglionic reach ____ ____ fibers via plexuses
Parasympathetic stimulation causes _____ of smooth muscle and _______ of gastric juices
Anterior and posterior vagal
Submucosal (meissner’s) and myenteric (auerbach’s)
Smooth muscle
Construction and secretion
Fibers from the glossopharyngeal nerve reach the parotid gland via the _________ nerve, a branch of the _____ _____ of the ______ nerve
Auriculotemporal nerve
Mandibular division of the trigeminal N
Visceral afferent fibers are carried in the ______ branch of the glossopharyngeal N from _______ in the ____ sinus and _______ in the ___ body
Carotid
Baroreceptors, carotid sinus
Chemoreceptors, carotid body
The special sensory (taste) fibers of the glossopharyngeal nerve are carried in the ____ branch.
Lingual
Greater petrosal N leaves facial N at ____ ____ and carries ____ ____ fibers anterior through ___ for the ____ ___ nerve and re-enters the petrous part of the ____ bone through the ___ ___ and travels in ____ ___ and synapses in the _____ _____
Geniculate ganglion Carries preganglionic parasympathetic through hiatus for greater petrosal N. Temporal bone Foramen lacerum Pterygoid canal Pterygoid Latina ganglion
Glossopharyngeal nerve. Preganglionic cell bodies are located in the ____ _____ nucleus
Inferior salivary nucleus
What is another name for a central process?
Axon
S2,3,4 supply distal parts of the _____ system and ______ systems
Digestive
Urogenital
Fibers descend in the vagus nerve to supply smooth muscles of what?
Bronchial tree, digestive tract, gallbladder, bile ducts, myocardium, pancreas, liver and spleen
Pathways to the heart for the vagus nerve. Preganglionic fibers are carried in the _____ and _____ ____ nerves and synapse in the _____ ___ at the base of the heart and wall of the heart. Postganglionic fibers are carried to the _____ node, _____ node and _____ _____ to reach subendocardial fibers (purkinje fibers)
Superior and inferior cardiac
Cardiac plexus
SA, AV, atrioventricular bundle
Postganglionic parasympathetic fibers of the glossopharyngeal nerve from the _____ ganglion are carried to ___ and ____ ____ glands
Optic
Parotid and posterior lingual gland
Path to vagina
Preganglionic fibers synapse in the ____ _____ which they reach via the ____ ___ ____
Parasympathetic stimulation results in _______ and _______ secretory activity
Fibers reaching inferior vaginitis may use ____ ___
Vaginal plexuses
Inferior hypogastric plexus
Vasodilation and increased
Pudendal N
Path to gallbladder, pancreases and biliary tree
Preganglionic reach from ____ ____ of the ___ ____ trunk. They reach via the ____ ___ an extension of the ____ ____. Synapse in ____ ____ of the gallbladder and biliary tree and glandular tissue of the pancreas.
Postganglionic reach ____ ____ of their target.
Parasympathetic _____ smooth muscle activity and is _____ for pancreatic glands
Hepatic branch of the right vagal trunk Via hepatic plexus, extension of celiac plexus Synapse in muscular walls Smooth muscle Increase, secretomotor
Fibers for the glossopharyngeal nerve are carries in the ____ nerve which comes off at the ____ _____. These fibers are carried through the _____ ____ into the _____ cavity. here the nerve receives _____ _____ fibers from the ____ ___ ___ and forms the ____ plexus. The preganglionic parasympathetic fibers pass through the tympanic plexus and reform as the ___ ____ ___ which travels through the _____ ___ ___ to the ____ ganglion
Tympanic N off the inferior ganglion
Tympanic canaliculus into tympanic cavity
Postganglionic sympathetic from superior cervical ganglion
Forms tympanic plexus
Reform as lessser petrosal nerve
Lesser petrosal canal to the optic ganglion
Path to liver
Preganglionic from the ____ ___ ___ with a few from the ____ ___ ___. They reach via ___ ___.
Mostly ______ input
Any parasympathetic supply is likely _____ ____
Anterior vagal trunk and a few from posterior vagal trunk
Hepatic plexus
Sympathetic
Visceral afferent
Path to kidney
Fibers reach through ___ ___ from the ___ ___ ___
Motor supply is only _____
Renal plexus from posterior vagal trunk
Sympathetic
Path to seminal vesicle and uterus via the ____ ___ ___
Inferior hypogastric plexus
CN 3,7,9 supply structures in the ____
Head
Oculomotor nerve cell bodies are located in the ___ ____ ____ and go into orbit and synapse in ___ ____. Post-gang. Axons in short ciliary nerves enter the eyeball and supply two muscles:
Accessory oculomotor nucleus
Ciliary ganglion
Ciliary muscle
Sphincter pupillae
Pelvic splanchnic nerves travel to the ___ ____ ___ and are distributed to pelvic organs.
Inferior hypogastric plexus
Parasympathetic afferent travel in ___ ___ ___ and ____ ____
Sacral spinal nerves
Cranial nerves
What is another name for a peripheral process?
Dendrites
Path to bladder
Preganglionic fibers via the ____ ___ ____
Somatic supply to the ___ __ ____
Inferior hypogastric plexus
External urethral sphincter
Path to SI, cecum, appendix, and Colin
Preganglionic fibers travel by way of _____ _____ trunk. Fibers reach duodenum through ______ _____ and remaining fibers reach destination by traveling through ______ plexus and going through _____ ____ ____. Synapse in ______ and ______ ______
Postganglionic reach ____ ____ from _____ mentioned
Parasympathetic impulses result in ______ of smooth muscle and is ______ for intestinal glands
Posterior vagal
Celiac plexus
Celiac and going through superior mesenteric plexus
Synapse submucosal and myenteric plexuses
Smooth muscle, plexuses
Contraction and is secretomotor
Path to recum and anus
Preganglionic fibers travel to ____ ____ __
Postganglionic fibers reach target from ____ ___ ____
Inferior hypogastric plexus
Inferior hypogastric plexus
Pathways to the lungs.
Preganglionic fibers carried in ____ and _____ ____ branches and synapse in the _____ ______.
Postganglionic fibers reach _____ ______ and _____ ______
Parasympathetic impulses cause ______ of bronchial tree and _______ secretions of bronchial glands
Anterior and posterior bronchial
Pulmonary plexuses
Bronchial musculature and bronchial glands
Constriction and increase secretions
Where do central processes (axons) enter the cord through?
Posterior root or specific cranial nerve
Distal Colon path
Preganglionic travel through ____ ___ ____ to reach ____ ___ and ____ ____ _____ by way of the ____ ____
Inferior hypogastric plexus
Superior hypogastric and inferior mesenteric plexus
Via hypogastric N
__________ impulses will inhibit the myocardium and _______ the coronary arteries
**
Parasympathetic
Constrict
Parasympathetic preganglionic fibers are “______” and synapse on post-ganlgionic neurons in ____ ____
Cholinergic
Peripheral ganglia
Parasympathetic preganglionic fibers are carried in CN __, __, __, __, and ___ ___nerves __,__,and __
CN 3,7,9,10
Sacral spinal nerves 2,3,4
Peripheral processes (dendrites) carry impulses from the ______ to ____ _____ via _____ ____, ______ or _____ _____ without ______
Viscera to cell bodies via autonomic ganglia, plexus or somatic nerves without synapse
S2,3,4 rise in the ____ ____ of s2-4 cord levels and are carried inferior in the _____ ____. they exit via the ___ ___ ___ and are carried in ____ ___ nerves
Lateral horn
Cauda equina
Anterior sacral foramina
Pelvic splanchnic
