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neuroanatomyblog:

Peripheral Nervous System

The peripheral nervous system is divided into two major parts: the somatic nervous system and the autonomic nervous system.

  • Somatic Nervous System

The somatic nervous system consists of peripheral nerve fibers that send sensory information to the central nervous system AND motor nerve fibers that project to skeletal muscle.

The cell body is located in either the brain or spinal cord and projects directly to a skeletal muscle.

  • Autonomic Nervous System

The autonomic nervous system is divided into three parts: the sympathetic nervous system, the parasympathetic nervous system and the enteric nervous system. The autonomic nervous system controls smooth muscle of the viscera (internal organs) and glands.

This picture shows the general organization of the autonomic nervous system. The preganglionic neuron is located in either the brain or the spinal cord. This preganglionic neuron projects to an autonomic ganglion. The postganglionic neuron then projects to the target organ. Notice that the somatic nervous system has only one neuron between the central nervous system and the target organ while the autonomic nervous system uses two neurons.

The enteric nervous system is a third division of the autonomic nervous system that you do not hear much about. The enteric nervous system is a meshwork of nerve fibers that innervate the viscera (gastrointestinal tract, pancreas, gall bladder).

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(via brainsx)

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repost-this-image:

sharkchunks:

metalheadadam:

pimpinchilton:

commanderabutt:

shadow1423:

commanderabutt:

spaff-der-kegel-doer:

historynet:

seen on my face book feed(Anti-vaccination, modern)

"studies"

who has ever thought this ever

Don’t let your children drink water it might make them think drinking other clear liquids is okay do you want your child drinking bleach

don’t let your children walk, it might make them think its okay to walk away from home

Correct me if I’m wrong, but I’m pretty sure not even people who use heroin believe it is beneficial.

Don’t let your child breathe air. Studies have shown thatin the event of a fire, children who breathe in air are much more likely to breathe in smoke than children who’ve never breathed air.

Don’t have a child. 100% of children grow up and die. You’re literally condemning your own children to die.

What the mother-fucking FUCK.  First off, most vaccinations are given before you’re 5 years old (there are a few boosters, but not a lot and most kids HATE getting them) and won’t remember it.
Second, you wouldn’t be anti-vax if you were old enough to remember polio or smallpox epidemics.  You know why there aren’t any cases of those horrible diseases in the US today?  Because we vaccinated against them for enough years that they aren’t here anymore.
Plus, anti-vaxxers got hold of Africa.  Polio is making a comeback in Africa because people have stopped vaccinating against it.


I FUCKING HATE ANTI VACCINERS THEY ARE KILLING PEOPLE

repost-this-image:

sharkchunks:

metalheadadam:

pimpinchilton:

commanderabutt:

shadow1423:

commanderabutt:

spaff-der-kegel-doer:

historynet:

seen on my face book feed(Anti-vaccination, modern)

"studies"

who has ever thought this ever

Don’t let your children drink water it might make them think drinking other clear liquids is okay do you want your child drinking bleach

don’t let your children walk, it might make them think its okay to walk away from home

Correct me if I’m wrong, but I’m pretty sure not even people who use heroin believe it is beneficial.

Don’t let your child breathe air. Studies have shown thatin the event of a fire, children who breathe in air are much more likely to breathe in smoke than children who’ve never breathed air.

Don’t have a child. 100% of children grow up and die. You’re literally condemning your own children to die.

What the mother-fucking FUCK.  First off, most vaccinations are given before you’re 5 years old (there are a few boosters, but not a lot and most kids HATE getting them) and won’t remember it.

Second, you wouldn’t be anti-vax if you were old enough to remember polio or smallpox epidemics.  You know why there aren’t any cases of those horrible diseases in the US today?  Because we vaccinated against them for enough years that they aren’t here anymore.

Plus, anti-vaxxers got hold of Africa.  Polio is making a comeback in Africa because people have stopped vaccinating against it.

I FUCKING HATE ANTI VACCINERS THEY ARE KILLING PEOPLE

(via tigris115)

Filed under Queuesaurus

48,950 notes

psych2go:

For more posts like these, go visit psych2go

Psych2go features various psychological findings and myths. In the future, psych2go attempts to include sources to posts for the for the purpose of generating discussions and commentaries. This will give readers a chance to critically examine psychology.

(via peregrinestar)

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