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What is the opposite of postganglionic?

The opposite of postganglionic is preganglionic. Preganglionic neurons are responsible for carrying nerve impulses from the central nervous system to ganglia, while postganglionic neurons transmit nerve impulses from ganglia to target organs.


Which autonomic neurons release norepinephrine as a neurotransmitte?

Sympathetic postganglionic neurons release norepinephrine,


When a preganglionic neuron innervates several postganglionic neurons it is called what?

divergence


Does parasympathetic have postganglionic axons secrete norepinephrine?

No, parasympathetic postganglionic axons secrete the neurotransmitter acetylcholine, not norepinephrine. Norepinephrine is the primary neurotransmitter used by postganglionic neurons of the sympathetic nervous system.


Is the adrenal medulla a misplaced sympathetic ganglion?

The adrenal medulla has many similarities with post-ganglionic sympathetic neurons, they release catecholamine because medullary cells are derived from the neural crest and, as such, are simply modified neurons. The adrenal gland releases epinephrine, norepinephrine and dopamine in response to neural not hormonal signals just like postganglionic neurons. The most significant different between adrenal medulla cells and true postganglionic sympathetic neurons is the absence of axons. The neurotrasmitter has become a hormone and is released into the blood.


As part of which nervous system do postganglionic neurons release norepinephrine?

Sympathetic nervous system, which is part of autonomic nervous system.


Does the gray rami communicans contain fibers of a preganglionic or postganglionic neurons?

could be preganglionic


Which neurons are classified as an adrenergic fiber?

The neuron classified as an adrenergic fiber is the sympathetic postganglionic neuron.


Is acetylcholine the substance released by the axon terminals of both somatic motor neurons and postganglionic parasympathetic neurons?

Yes, acetylcholine is the substance released by the axon terminals of both somatic motor neurons and postganglionic parasympathetic neurons. In the somatic nervous system, acetylcholine is released at the neuromuscular junction, while in the parasympathetic nervous system, it is released at synapses with target organs.


What are the differences between preganglionic and postganglionic neurons?

You have a really good question. Studying the nervous system can be overwhelming and quit confusing. Preganglionic Neurons come from the CNS to the Ganglion ( mass of neuron cell bodies and dendrites) and Postganglionic neurons leave the ganglion and head toward the effector organ ( smooth muscle, glands, etc..).


Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic and a postganglionic neuron?

autonomic


What are the neurons that conduct impulses from a ganglion?

I'm not really sure what your asking...but a neuron sends an impulse because of a stimulus from the enviroment. The sensory neurons then pick up that stimulus and send the impulse down and it leaves through the axon where it is then pick up by another neurons dendrites.