Fun Facts about the name Lany. How many people with the first name Lany have been born in the United States? From 1880 to 2015, the Social Security Administration has recorded 46 babies born with the first name Lany in the United States.
Medical Definition of Sympathetic nervous system. Sympathetic nervous system: A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise blood pressure. The sympathetic nervous system and the parasympathetic nervous system constitute the autonomic nervous system. Last Editorial Review: 5/13/2016.
There are two divisions in the autonomic nervous system; i.e. sympathetic nervous system and parasympathetic nervous system. Both systems usually act on the same organ and generate the same action potentials, yet their functions are different and oppose each other. Sympathetic Nervous System. Sympathetic nervous system is the nerve network made up of short preganglionic axons that extend to ganglia situated near thoracic and lumbar regions of spinal cord, and of long postganglionic neurons extending from ganglia to target organs.