Dictionary » P » Preganglionic



Situated proximal to or preceding a ganglion; referring specifically to the preganglionic motor neurons of the autonomic nervous system (located in the spinal cord and brainstem) and the preganglionic, myelinated nerve fibres by which they are connected to the autonomic ganglia.

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Neuroscience question

... only one ganglion connecting the central nervous system to the skin, unlike the ganglia of the autonomic nervous system where there is a separate preganglionic ganglion and autonomic ganglion. Which is the one that connects the skin to the CNS? I always thought it was the primary afferent neurons ...

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by Condraz23
Mon Feb 15, 2010 11:17 am
Forum: Human Biology
Topic: Neuroscience question
Replies: 0
Views: 2575

terminal ganglion parasympathetic

... VII, glosopharyngeal XI synapse with ganglions known as terminal ganglions. but with the vagus and the sacral neurones, the ganglions which teh preganglionic and postganglionic synapse are they also known as terminal ganglion? what exactly is terminal ganglion? thanks in advance

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by sarah90222
Fri Nov 20, 2009 10:34 pm
Forum: Human Biology
Topic: terminal ganglion parasympathetic
Replies: 0
Views: 1406

Re: Vagus Nerve

... not eliminate the experience of hunger. * parasympathetic nervous system ( in human nervous system (anatomy): Parasympathetic nervous system ) Preganglionic parasympathetic fibres of the 10th cranial (vagus) nerve arise from two different sites in the medulla oblongata. Neurons that slow heart ...

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by sanjidcapa
Tue May 05, 2009 9:15 am
Forum: Human Biology
Topic: Vagus Nerve
Replies: 19
Views: 175684

Can you fill in the blanks

Parasympathtic innervation of the heart involves a preganglionic Neuron that arises from ___________ levels of the CNS and synapses with a postganglionic neuron in a ____________ ganglion that is located in the heart wall. Conversely sympathetic innervation ...

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by Bioslave
Wed Oct 22, 2008 2:03 am
Forum: Human Biology
Topic: Can you fill in the blanks
Replies: 1
Views: 2205

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