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Doctor insights on: Colon Rectum Exactly

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Where are the colon and rectum? What do they do, exactly?

Where are the colon and rectum? What do they do, exactly?

Lower intestine: The colon and rectum are the lower end of the gastrointestinal (GI) tract that starts in the mouth. The colon's main function is to absorb water, although a variety of other subtances may be absorbed through the colon, as well. It acts as a reservoir function so that most people have only 1 or 2bm's each day. The rectum is the lowest end. It has muscles and nerves that give bowel control. ...Read more

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Dr. Oscar Novick
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Colon (Definition)

The colon is another term for the large intestine. This is the final portion of the digestive system, responsible for absorbing water and storing stool before evacuation. It is divided into sections described as cecum; ascending, transverse, descending and ...Read more


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Can a colonoscopy prep cause irritation in the colon in the internal rectum that looks exactly like Ulcerative Colitis when the pictures are taken.

Can a colonoscopy prep cause irritation in the colon in the internal rectum that looks exactly like Ulcerative Colitis when the pictures are taken.

Not likely: Ulcerative colitis has a specific appearance and location that distinguishes it histologically from normal tissue. The scenario you describe is possible with human error involved, but for the most part, very unlikely ...Read more

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What happens if they find a growth in my colon or rectum?

What happens if they find a growth in my colon or rectum?

The point of looking: The whole point of undergoing a colon evaluation is to identify who is at risk for colon cancer, & to remove lesions before they grow larger. Most polyps are not pre-cancerous, but it is not always possible to tell on visual inspection alone. Identified polyps are removed at the time of your colonoscopy exam. Larger lesions are biopsied to determine if surgery is indicated. Get your colonoscopy! ...Read more

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Often i suffer from waves of pain going through the colon to the rectum , is that i symptom of something bigger?

Often i suffer from waves of pain going through the colon to the rectum , is that i symptom of something bigger?

? tenesmus: It important to know whether this is of a new onset or chronic. Any irritation of the colon can cause cramping that can appear wavelike. New onset could be an infection in the colon, a chronic pain could be multiple cause including irritable bowel or inflammatory bowel disease. A good rule of thumb is does the pain wake you up at night? If it does, this needs to be investigated. ...Read more

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Ileoproctostomy - Can the Distal Ileum b atached 2 the remaing small colon instead of remaing rectum? If theres no large, can small b atached 2 rectum

Ileoproctostomy - Can the Distal Ileum b atached 2 the remaing small colon instead of remaing rectum? If theres no large, can small b atached 2 rectum

Yes : A small bowel could be attached to any large vowel even if the part of the large vowel remain is only the rectum . Yes as long as you have 5 cm of the large vowel still exist another small or large bowel could be attached to it ...Read more

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Can the colon block my stool to get stuck in my rectum????

Can the colon block my stool to get stuck in my rectum????

Likely not: The colon and the rectum are parts of the same thing: the large intestine. The colon is the part of the large intestine that is inside your body, the rectum is the part of the large intestine that is near the anus. So unless the colon "telescopes" into the rectum then no the colon full of stool cannot get stuck in the rectum. ...Read more

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May I go to colon hydrotherapy when I slightly bleed from rectum? Thanks.

May I go to colon hydrotherapy when I slightly bleed from rectum? Thanks.

No: You need to see your doctor and have the bleeding evaluated to find the cause. Colon cleanses are not recommended and medically unnecessary. ...Read more

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What does equivocal wall thickening of sigmoid colon and proximal rectum mean ?

What does equivocal wall thickening of sigmoid colon and proximal rectum mean ?

Maybe thickened: The wall of the bottom part of your colon might be a little thick but it isn't certain. What that means is there may be evidence of inflamed tissue when the wall of the colon is measured but a normal colon is sometimes the same thickness. Most likely further tests will be needed, such as a colonoscopy. That will be a decision made by you doctor based on the clinical situation. ...Read more

Rectum (Definition)

The rectum is the last portion of the GI tract where the colon ends. It is heavily muscled and generally remains contacted to control the colonic contents but is under conscious control when a ...Read more


Colonic (Definition)

This is a combining term referring to some condition, treatment or disease of the colon. Such as colonic enema, colonic ...Read more