The autonomic nerve supply of the abdomen and pelvis
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| show | Inhibits peristalsis, constricts blood vessels, reduces glandular secretions, constricts sphincters; stimulates peristalsis, dilates blood vessels to tract, increases glandular secretions and relaxes sphincters
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| show | The parasympathetic
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| What part of the autonomic nervous system is the thoracolumbar division a part of? | show 🗑
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| show | Promotes breakdown of glycogen to glucose; promotes the production of glycogen
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| show | vasoconstriction of renal vessels (slow urine formation), relaxes detrusser muscle, contracts internal sphincter of the bladder; vasodilation of renal vessels, contract detrussor m., relax internal sphincter of bladder
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| * What effect does the sympathetic system have on genital system? Parasympathetic system? | show 🗑
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| show | The thoracic, lumbar, and sacral splanchnic nerves
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| show | ALL of them originate from levels T5-L2/L3; lateral gray horns
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| * Where do the preganglionic sympathetic fibers arising from the thoracic, lumbar, and sacral splanchnic nerves synapse? | show 🗑
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| * Name the major ganglia and where they are located | show 🗑
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| show | The ganglia interconnect in front of the aorta in the aortic plexus (prevertebral plexus)
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| show | Pregang + postgangl. sympathetics, preganglionic parasympathetic, and visceral afferent
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| * What are the regional concentrations (e.g. subdivisions) of the aortic plexus called? How are they named? | show 🗑
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| * What structures do the celiac plexus supply? | show 🗑
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| show | Midgut derivatives: 3rd and 4th parts of duodenum, jejunum, ileum, cecum, appendix, ascending colon, proximal 2/3 of transverse colon
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| * What structures do the aorticorenal plexus innervate? | show 🗑
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| * What structures do the inferior mesenteric plexus innervate? | show 🗑
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| * Where is the intermesenteric plexus located? (unsure what it supplies...) | show 🗑
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| show | do not; hypogastric
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| show | aortic, inferior mesenteric; aorta, aortic bifurcation
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| show | Postganglionic sympathetics descending from the inferior mesenteric ganglion and preganglionic and some postganglionic sympathetic fibers from the lower lumber splanchnic nerves
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| The superior hypogastric plexus aggregates into two bundles called the ____ and ____ ______ nerves which descend into the pelvis. | show 🗑
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| Where does the inferior hypogastric plexus (pelvic plexus) form? What nerves are they the continuation of? | show 🗑
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| Where are the right and left plexuses situated (of the inferior hypogastric plexus / pelvic plexus)? | show 🗑
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| The plexuses receive contributions from several ______ nerves, which consist primarily of ______ fibers that synapse with _______ neurons in the plexus | show 🗑
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| * Name the two main sources of parasympathetic innervation in the abdomen and the pelvis | show 🗑
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| * Describe how the vagus nerve enters the abdominal cavity | show 🗑
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| show | Stomach, liver, and gallbladder
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| show | Celiac, superior mesenteric, aorticorenal plexuses; preganglionic parasym. fibers follow respective blood vessels to organs of the foregut and midgut + kidneys and proximal urters (all organs in abdominal cavity as far as proximal 2/3 of transverse colon)
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| show | S2, S3, S4
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| What structures do they supply? | show 🗑
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| show | Join inferior hypogastric plexus; synapse with posganglionic parasympathetics neurons in plexus or int he walls of the organs innervated
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| * Describe the fate of the nerves destined to supply the hindgut derivatives int he abdomen (distal 1/3 of the colon, descending colon, sigmoid colon) | show 🗑
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| _____ganglionic parasympathetic neurons serving the digestive tract are spread out into two interconnected plexuses within the layers of the ___________ wall. What are the often referred to as? | show 🗑
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| show | Preganglionic sympathetics, sympathetic ganglia, postganglionic sympathetics, preganglionic parasympathetics, visceral sensory (afferent)
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| show | Preganglionic sympathetics, sympathetic ganglia, postganglionic sympathetics, preganglionic parasympathetics, visceral sensory (afferent)
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| * Describe the components of the inferior hypogastric (pelvic) plexus | show 🗑
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| * Are somatic sensations always painful? Give examples of some somatic stimuli. | show 🗑
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| Much _____ sensation never reaches conscious level because it is involved in ______ activities. | show 🗑
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| Visceral sensation reach the conscious level is generally categorized as _______ or _______. What are two examples of visceral sensations? | show 🗑
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| show | Poorly (compared to somatic sensations); ischemia, stretching, muscle cramping, chemical irritants; insensitive to cutting or temperature)
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| * Visceral pain fibers from most of the thoracic and all abdominal viscera travel centrally within the same bundles of nerves carrying _______ supply to those structures. Thus, if you know _____ outflow pathway, you know visceral inflow pathway. | show 🗑
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| What structure must pain fibers reach befoer reaching a spinal nerve? | show 🗑
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| What rami do the visceral pain fibers travel through to pass from the sympathetic trunk to the spinal nerve? | show 🗑
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| Visceral pain fibers enter the dorsal roots of the spinal nerves from ____ to _____ (vertebral levels), though there are exceptions | show 🗑
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| Visceral pain from most pelvic organs follow the _____ _____ nerves back to the ___-___ levels of the spinal cord except for what two structures? | show 🗑
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| show | Parasympathetic fibers of the vagus nerves
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| If you know the spinal cord supplying _______ nerve fibers to an organ, and also know the spinal cord levels receiving visceral pain fibers from the organ, you know part of body wall that will get referred somatic pain | show 🗑
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