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ANS vs SomaticFactor | Autonomic | Somatic | Effectors | Smooth muscle and glands | Skeletal Muscle | Efferent Pathways | Two neuron chain with ganglia | Single Neuron | NT Effects | PS: ACh / S: NE (can be inhibitory or stimulatory) | ACh (only stimulatory) |
Sympathetic Vs ParasympatheticFactor | Parasympathetic | Sympathetic | Origin Site | Brain & Spinal Cord | Thoracolumbar | Pre/Post Fiber Length | Long/Short | Short/Long | Ganglia Location | In Visceral Effector Organs | Close to Spinal Cord |
Receptors in ANSType | Location | Effect on Binding | Nicotinic (ACh) | All Gang. Neurons; Adrenal Medullary Cells; NMJ | Ex. | Muscarinic (ACh) | All Para targets (symp. eccrine sweat glands and blood vessels in skel musc.) | Ex (xcept heart); Activation | B1 (NE/E) | HEART + kidneys + adipose tissue | HR/FORCE; RENIN | B2 (NE/E) | Lungs, Symp Tissue, BV (heart, liver, skel m.) | Mostly Inhibitory | B3 (NE/E) | Adipocytes | LIPOLYSIS | A1 | BV in viscera, skin, mucosa; All Sym. targets except heart | BV CONSTRICT; pupils dilate | A2 | Adrenergic axon term.; Pancreas; Platelets | Inh. NE + insulin release; Up Clotting |
| | Parasympathetic (Craniosacral)
Cranial Outflow Functions[III] | Constrict Pupils; Bulge Lenses | [VII] | Nasal + Lacrimal Glands -or- Sublingual + Submandibular | [IX] | Activate Parotid Salivary Glands |
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