This bean-shaped structure in hues of purple, red, and green is a sympathetic ganglion from a newborn mouse. Sympathetic ganglia are chains of neurons up and down the spine that help initiate the ...
The sympathetic division of the autonomic nervous system is composed of preganglionic sympathetic neurons, derived from the neuroectoderm, and their synaptic targets, neural-crest-derived ...
The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The sympathetic nervous system activates what is often ...