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    From my notes, I gathered that this is what causes a hiccup:

    + Breathing is organised by the brain stem via the vagus nerve

    + In fish the vagus nerve controls the the rhythmic firing of muscles in the throat & gills. These are close to the brain stem.

    + In humans the vagus nerves controls the rhythmic firing of muscles in the diaphragm and chest cell walls. These are not close to the brain stem.

    + The CNX is a branch of the vagus nerve

    + In mammals it exits the brain stem, runs down the neck, loops down the ductus arterlosus and then goes back up the neck to the larynx

    + Anything that interfers with this branch of the vagus nerve will result in a sharp intake of breath and the closure of the glottis in a spasm

    + This spasm is known as a 'hiccup.'


    Have I made any mistakes?
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    Bump
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    Yeah, why not.
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    2 girls =1 cup
    sorry love
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    (Original post by Pheylan)
    drink water upside down while holding your breath standing on one leg
    Surely if you drink water upside down it will leak out of your eyes
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    (Original post by drdre)
    2 girls =1 cup
    sorry love
    That's disgusting.

    Anyone?
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    Anyone?
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    I have absolutely no idea
    I thought hiccups were caused by irritation in your diaphragm though
    ETA: I don't know what any of those things you said are, so if that's what you were talking bout, ignore me........
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    I thought hiccups was just gas
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    :emo:
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    (Original post by xPixie)
    I thought hiccups was just gas
    lol
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    CN X (Cranial nerve 10) is the vagus

    The branches you're thinking of are the right and left recurrent laryngeal nerves

    If I remember right the right recurrent laryngeal loops the right subclavian artery and the left recurrent laryngeal loops the aortic arch to the left of the ligamentum arteriosum in the adult (ductus arteriosus in the fetus)
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    I'm sorry... but I think you're the only person on TSR who has anywhere near the amount of hiccup knowledge necessary to answer this question.

    But it sounds 'bout rite :dontknow:
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    (Original post by blahhh)
    CN X (Cranial nerve 10) is the vagus

    The branches you're thinking of are the right and left recurrent laryngeal nerves

    If I remember right the right recurrent laryngeal loops the right subclavian artery and the left recurrent laryngeal loops the aortic arch to the left of the ligamentum arteriosum in the adult (ductus arteriosus in the fetus)
    Oh so the CNX is just another term for the Vagus Nerve and is not a branch of it?
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    (Original post by hollywoodbudgie)
    Oh so the CNX is just another term for the Vagus Nerve and is not a branch of it?
    Yep...CN X is just an abbreviation of cranial nerve 10 :yep: the branches are the left and right recurrent laryngeal nerves
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    (Original post by blahhh)
    Yep...CN X is just an abbreviation of cranial nerve 10 :yep: the branches are the left and right recurrent laryngeal nerves
    Eureka thanks!
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    (Original post by Pheylan)
    drink water upside down while holding your breath standing on one leg

    apparently two true ways to cure hiccoughs

    digital rectal manipulation
    and death.

    hard choice
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    Thinking back a long time ago to AS Biology, I remember reading something along the lines of hiccups being caused by the vagus nerve being trapped or something, so I would say you're probably right. That's probably not much help to you, but still
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    Uh huh...............?
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    (Original post by Law123mus)
    Uh huh...............?
    lol why bother posting that? :rofl:
 
 
 
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