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Norepinephrine

norepinephrine --> noradrenaline

(Science: drug, hormone) catecholamine neurohormone, the neurotransmitter of most of the sympathetic nervous system (of so called adrenergic neurons): binds more strongly to _ adrenergic receptors. Stored and released from chromaffin cells of the adrenal medulla. A catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses.


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Re: Regulation of a heartbeat

... to muscles of atria and ventricles There are other factors which contribute to heart rate regulation like direct action of Epinephrine and NorEpinephrine also there are physical factors like local warming of SA which lead to increased heart rate,cooling which lead to decreased heart rate,there ...

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by sanjidcapa
Tue May 05, 2009 9:18 am
 
Forum: Physiology
Topic: Regulation of a heartbeat
Replies: 2
Views: 1394

Regulation of a heartbeat

... to muscles of atria and ventricles there are other factors which contribute to heart rate regulation like direct action of Epinephrine and NorEpinephrine (Adrenaline&NorAdrenaline),also there are physical factors like local warming of SA which lead to increased heart rate,cooling which ...

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by MohammedAmer
Wed Apr 22, 2009 4:45 pm
 
Forum: Physiology
Topic: Regulation of a heartbeat
Replies: 2
Views: 1394

Substintia Nigra

I heard it is a byproduct of dopamine (and epinephrine and norepinephrine) synthesis.

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by snowcapk
Sat Apr 19, 2008 9:34 am
 
Forum: Human Biology
Topic: Substintia Nigra
Replies: 3
Views: 878

Re: "irresistible lust"

... in nature in which parts of the nervous sytem is involved, especially the sympathetic and the parasympathethic divisions. Epinephrine and norepinephrine I guess are the chemicals involved.

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by Jellybeans
Wed Feb 13, 2008 2:33 pm
 
Forum: Human Biology
Topic: "irresistible lust"
Replies: 9
Views: 1232

The Fiber Disease

... reaching the intestine. There, however, chemicals produced by the friendly gastrointestinal microbial flora and the human hormones epinephrine and norepinephrine alert the bacteria to its location. This cellular cross talk triggers a cascade of genetic activations prompting EHEC to colonize and ...

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by Skytroll
Sat Sep 09, 2006 8:23 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 749866
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