Innervation

... True, we may have to repress the immune system thru out the regeneration process though. Now the hormone may be the key. Why else would innervation be a requirement for regeneration? A hormone that starts the differentiation development again. And has to start the regeneration process ...

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... contraction Conditions that lead to parasympathetic stimulation like lead to decrease heart rate but have nothing to do with contractility as no innervation to muscles of atria and ventricles There are other factors which contribute to heart rate regulation like direct action of Epinephrine and ...

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ANS connects to SA node via dual innervation: First from sympathetic nervous system (Spinal nerve T1-4) Second from parasympathetic nervous system(Cranial nerve CN-X) Sympathetic stimulation lead to increase rate of SA impulses so increase ...

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... nervous system. I'm more confused about involuntary skeletal muscle contraction during withdrawal reflex. That I would say is also an autonomic innervation (called reflex). So is it possible that autonomic nervous system controls skeletal muscles, other than smooth- cardiac muscles and glands? ...

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I didn't actually read this anywhere, so i might be wrong, but it would make more sense for it to be constriction. Sympathetic innervation is more for special situations, when you have bigger things to worry about than filtering blood.

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