Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger,
Peer Review Status: Externally Peer Reviewed
Human, Helly's fluid, H. & E., 612 x.
Parasympathetic ganglia are located within the organs they serve (see Plates 110, 150, 199, and 201). Preganglionic fibers that synapse within parasympathetic ganglia are axons of neurons in the craniosacral division of the autonomic nervous system.
Ganglion cell body: Multipolar neurons. They have a large, eccentrically placed nucleus. Binucleate cells are commonly found in pelvic ganglia and occasionally in the heart. Note the dark nuclei of satellite or capsule cells surrounding the neuron.
Nerve fibers: Myelinated preganglionic and unmyelinated postganglionic fibers of the parasympathetic nervous system.
Venule: A venule is seen in the connective tissue stroma between ganglion cells. Blood is carried away in venules from the capillary bed supplying the ganglion cells and other tissue.
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