Questions tagged [stomach]
The stomach tag has no usage guidance.
28 questions
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Can more concentrated tomato products increase stomach acidity?
It appears from Internet sources that tomatoes have a pH of 4-4.5, as does tomato puree/paste.
I’m wondering about the fact that paste is more concentrated. Will eating say a teaspoon of tomato paste ...
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Is ghrelin only secreted when the stomach is empty?
Several texts indicate that ghrelin is secreted when the stomach is empty. However, some(not all) texts also indicate that ghrelin is secreted when blood sugar levels are low. Is the second statement ...
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Will eating candy with a lower ph than the stomach increase stomach acidity in the short term?
The average stomach ph is 2.5.
Some candies have a ph that is lower (more acidic) than that.
Will eating candy with a lower ph than the stomach increase stomach acidity in the short term?
user73045
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is pepsin able to break down proteins into amino acids in human stomach? [closed]
I'm trying to find out if pepsin can break down proteins into amino acids after they are converted to peptides. Is pepsin able to separate amino acid monomers from the peptides?
can you please show me ...
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Does an "empty stomach" have acid in it?
I know that the pH of the acid in an empty stomach is higher than a stomach with food.
I was trying to understand how water passes through stomach to intestines with the absence of food.
But this ...
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What is inside digestive system while it's empty?
Up to this point, all my life I assumed that stomach and intestines are filled with air. I got this impression from all the anatomic drawings in schoolbooks and encyclopedias that show empty stomach ...
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Why can we eat salty food, but can't stomach salty water?
I know that too much sodium is bad for our health. However, it struck me as odd that we like to add salt to pasta sauce or other foods we eat, yet trying to drink salt water can bring on the gag ...
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Can stomach acid destroy a virus?
I was reading about a viral list of dubious coronavirus tips on The Verge and reached this tip:
“Even if the virus gets into your mouth, drinking water or other
liquids will wash them down ...
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How does the stomach handle continuous eating?
In biology class, we learned this familiar story: Food enters the stomach, the stomach churns it with acid and enzymes, and then, somehow, the stomach senses when the stew is ready and releases it ...
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RE: Fasting gastric pH vs Normal gastric pH
If fasting gastric pH values are more acidic then why is it recommended to eat no more than three hours before bed time to prevent reflux. It seems at some point during sleep the stomach would become ...
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If humans had cellulase would they be able to digest grass?
Cellulase is an enzyme capable of breaking cellulose. If humans were able to produce cellulase in our stomach would we be able to digest grass? If not, what more things would we need in order to ...
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Role of non-inflammation in H.Pylori positive people
Quoted from Saudi J Gastroenterol. 2009 Jul; 15(3): 201–207 publication :
Approximately 50% (over 3 billion) of the world populations are known
to be infected with Helicobacter pylori, mainly in ...
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Do humans produce rennin?
At school, we've been taught that human infants produce rennin/chymosin (which aids in the digestion of milk). More specifically, it is the peptic cells in the stomach which secrete prorennin, the ...
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What is the resting human stomach pH?
This article in ThoughtCo.com claims we have a resting stomach pH of 4-5.
Unfortunately, there are no references, so I can't verify what it says.
I am slightly confused, however. The study says
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Which cells produce HCl produced in stomach? Don't these cells get destroyed by HCl?
Which cells produce HCl produced in the stomach? Or is HCl produced due to the translation of proteins. Don't these cells get destroyed by HCl?
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In which organs is water that we drink absorbed into the blood?
From biology classes I remember that water from food we eat is mostly 'sucked in' (absorbed into blood) in the colon. I guess the same is true for water we drink. But if I eat something, it will reach ...
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Carbohydrates in acidic stomach
How does the acidic environment in the stomach affect carbohydrate and fast digestion? Does it aid, impede or remain neutral in their digestive process?
Or do the carbohydrates, fats and proteins ...
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Can you eat enough to make your stomach explode?
Background
After eating a large meal last night, I noticed that my tummy had significantly enlarged. After that, I started wondering if eating too much could cause a stomach to explode. Could this ...
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How does having an empty stomach affect absorption of compounds?
From personal experience, compounds such as nicotine, caffeine and alchohol appear to absorb much quicker into the blood on an 'empty' stomach', or after extended periods of fasting. If this is the ...
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Fasting gastric pH versus normal gastric pH
I want to know if someone is fasting (no food or drink for a whole day) will they have a higher or lower pH than a person who is eating regularly? If so what is an estimate of both of those pH's in ...
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What is the function of E. coli bacteria in the human gut?
What is the function of the bacterium, E. coli, in the human gut?
I have tried to find the answer by searching the Internet (e.g. here), but have been unsuccesful.
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What is the "leaky valve" between the esophagus and stomach?
When someone talks about there being a "leaky valve" between the esophagus and the stomach, what is the exact biological structure they are talking about?
This would be a structure that, when ...
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Do the enzymes and compounds in saliva help with stain removal?
Does spitting on stains help with removal?
Saliva is high in amylase that should help with the breakdown of protein rich stains like blood and semen. It also contains antimicrobial enzymes and ...
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Why does too much candy cause nausea?
As I sit here after eating too much chocolate, I wonder:
What are the biological mechanisms behind eating too much candy candy causing nausea in a healthy individual? Is it a spike in blood sugar, ...
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Why do we suffer abdominal pain after we get very angry or stress?
You also realize probably, when we get so much anger or high levels of stress, after some point we have terrible stomach ache, like really heavy pain. Why is that? How stress or anger can effect our ...
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Stomach Virus : How does it affect the bacteria of the intestines?
When you have a stomach virus and it causes extreme bowel movements to the point of almost pure stomach acid, does this kill off the bacteria in our intestinal tracks?
user6116
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Stomach sagittal section
Can anyone please tell me where is exactly the stomach in this image?
This is a sagittal section from the University of Michigan Visible Human Browsers.
Thank you.
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Does having a total gastrectomy (removal of the stomach) cause individuals to be more prone to infections?
If a patient has a complete removal of his/her stomach (i.e. a total gastrectomy), then does that cause a person to be more prone to infections from eating unsanitary food?
I'm asking this question ...
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