Yesterday I said I’d like to see an X-ray movie of someone eating food. Luckily, reader Stephen Q. Muth (Butter’s staff) came through with this video (the link is in a comment on the earlier post):
And we get to see the ingestion of both food and drink.
Did Pavlov run this experiment? 😊
Pavlov? Who’s that? His name rings a bell, like it’s on the tip of my tongue…but, doggone it, I just can’t seem to remember….
b&
Reblogged this on Michelle's Hen House and commented:
crazy
I should have used this X-ray film when I used to teach human physiology. You can see how the tongue humps up to push the food to contact the pharynx. This triggers the 1st swallowing reflex which is mainly marked by elevation of the larynx. You can feel your larynx elevate if you gently hold it with your fingers and swallow. Elevation of the larynx brings its opening up to be covered by the epiglottis flap. Covering this opening keeps the bolus from going down the larynx to your lungs. Another part of this 1st reflex is that the soft palate briefly flips up to cover the passage to the nasal cavity, preventing the food from getting in there.
Meanwhile, the bolus is sent down the pharynx and esophagus by a 2nd reflex of peristaltic contractions until it reaches the sphincter that guards entry to the stomach.
There. Quiz next period.
I love it when you guys talk dirty.
Oh yes, I said ‘sphincter’.
Humans are gross. Thank god for skin. 🙂
But seriously, fascinating stuff.
It keeps the outside out /
And your insides in.
Spike Milligan, I think.
Hi Jerry,
Typo alert. Peson? a hitherto undiscovered latin subatomic particle that can eat!
Oy gewalt! I’ve fixed it, thanks.
Fixed using DeWalt tools, perhaps?
…sorry…tried my hand at improvement, but maybe I should start at home….
b&
Is a peson some type of bird?
oy vey, what’s next? shitting & screwing ????
I’m certain the latter’s been done with fMRI, but I don’t know how public the data is.
(1) Yes it has.
(2) I’ve seen it, on national TV, not on a “specialist” channel.
I think the original footage was done in Denmark. Which should surprise no-one.
Serious dose of x-rays for the eater.
I once had some bad G-I crud I picked up in Nepal and had to have an upper G-I fluorscopic inspection. You drink the contrast liquid (barium stuff I think) and roll around to coat you insides and then get on the fluorscope.
It was REALLY cool seeing the shape of the inner surfaces of my stomach and upper intestines.
Seeing the inside of your colon during a colonoscopy (in living color) is pretty cool too; but the prep is a lot less fun! 🙂
I suddenly feel slightly queasy.