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Parasympathetic

parasympathetic

Pertaining to a division of the autonomic nervous system.

See: autonomic nervous system. Originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels.


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Re: mammary gland of male in mammals

... out that it is easy and thus the milk production stops. The production of milk by the human breast is as much a biological phenomenon as it is a parasympathetic one. If a man decides he does want to breastfeed his infant, the amount of milk his breast will produce depends on the amount of time ...

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by Annij
Sun Nov 03, 2013 4:47 am
 
Forum: Evolution
Topic: mammary gland of male in mammals
Replies: 18
Views: 18109

Re: Help with biological metaphor?

(English is not my first language) I am not a biologist, but you could check the sympathetic and parasympathetic nervous systems. The former could represent the financial aspects of your dissertation, and the latter, the managerial, or vice versa. Alternatively, you could ...

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by Gaudwin
Mon Jun 17, 2013 12:12 am
 
Forum: General Discussion
Topic: Help with biological metaphor?
Replies: 10
Views: 5148

Re: What are some ways to boost your immune system?

... kefir ( which is very easy actually ). And last, but not necessary the least, laughning, enjoying life, meditating - anything that activates your parasympathetic nervous system, because it is like the reverse state of fight-or-flight which, when active in prolonged episodes, can be very detrimental ...

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by caban
Tue Mar 13, 2012 9:06 am
 
Forum: General Discussion
Topic: What are some ways to boost your immune system?
Replies: 12
Views: 6800

Re: GI tract and enteric nervous system

... contains both efferent and afferent pathways. Just to screw students up, researchers decided that they woulld split the autonomic system up into parasympathetic and sympathetic systems. Further they thought it would be a good idea to subdivide the autonomic system into more divisions. They devised ...

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by daniel.kurz
Fri Oct 28, 2011 6:31 am
 
Forum: Human Biology
Topic: GI tract and enteric nervous system
Replies: 1
Views: 6365

Re: The Heart

Except for decreasing the heart rate and the force of contraction, PNS also reduces the conduction velocity of cardiac muscle fibers. Parasympathetic stimulation can also result in increased activity by glands that control bronchial secretions.

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by Dino77
Wed Aug 17, 2011 6:55 am
 
Forum: Human Biology
Topic: The Heart
Replies: 6
Views: 9886
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