Medical Definition of Pars sympathica

1. One of the two divisions of the vertebrate autonomic nervous system (the other being the parasympathetic nervous system). The sympathetic preganglionic neurons have their cell bodies in the thoracic and lumbar regions of the spinal cord and connect to the paravertebral chain of sympathetic ganglia. Innervate heart and blood vessels, sweat glands, viscera and the adrenal medulla. most sympathetic neurons, but not all, use noradrenaline as a post ganglionic neurotransmitter. (19 Jan 1998)



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Lexicographical Neighbors of Pars Sympathica

pars spinalis nervi accessorii
pars spongiosa urethrae masculinae
pars squamosa ossis temporalis
pars sternalis diaphragmatis
pars sternocostalis musculi pectoralis majoris
pars subcutanea musculi sphincteri ani externi
pars sublentiformis capsulae internae
pars superficialis glandulae parotideae
pars superficialis musculi sphincteri ani externi
pars superior duodeni
pars superior faciei diaphragmaticae hepatis
pars superior ganglii vestibularis
pars superior rami lingularis venae pulmonis sinistri
pars supraclavicularis plexus brachialis
pars sympathica (current term)
pars tecta
pars tensa membranae tympani
pars terminalis
pars thoracica aortae
pars thoracica ductus thoracici
pars thoracica medullae spinalis
pars thoracica oesophagi
pars thyropharyngea musculi constrictoris pharyngis inferioris
pars tibiocalcanea ligamenti medialis
pars tibionavicularis ligamenti medialis
pars tibiotalaris anterior ligamenti medialis
pars tibiotalaris posterior ligamenti medialis
pars transversa musculi nasalis
pars transversa rami sinistri venae portae hepatis

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