The main hypothesis driving pupillometry research in AD is based on the concept that the AD-related neurodegeneration affects both the parasympathetic and the sympathetic arms of the PLR (cholinergic ...

As these ganglia are a part of the parasympathetic innervation from the pelvic nerves, the congenital absence of mesenteric ganglion cells in the rectosigmoid in Hirschsprung's disease probably ...

Motor neurons in the different cranial motor nuclei extend axons, forming the cranial nerves, to innervate muscles and parasympathetic ganglia in the head and neck. The specification of the ...

While not a typical first-line treatment, doctors may also consider a sphenopalatine ganglion (SPG) block. The SPG is a cluster of neurons that sits behind your nose and above your mouth.

Imbalance between the sympathetic and parasympathetic limbs of the CANS is involved in the genesis of VAs and ... The ligament of Marshall; LSG, Left stellate ganglion; MI, Myocardial infarction; RSD, ...

The parasympathetic preganglionic fibers are carried almost entirely within the vagus nerve and descend to the heart. Unlike their sympathetic counterparts that form extracardiac synapses in cervical ...