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Intestines
The intestines aid in the digestion and absorption of food and stretch from the stomach to the anus.
4,885 Questions
Can you show a picture of a human body and where the pancreas is located?
It is one of the organs of the gastro intestinal tract (digestive system). It lies in the upper part of the Abdomen (epigastric region), and lies just below the stomach.
Do you have a bowel movement during colonoscopy procedure?
The intestines always have waves of muscular movement called peristalsis. Peristalsis moves intestinal content from the small intestine, to the large intestine, to the rectum and out the anus. So, yes, it is very possible that excrement will be high in the rectum and be either pulled "back" with the penis, or for ejaculate to make a fluid-like bowel movement that can seep out.
What vitamins are synthesized by bacteria in the human intestines?
The colonic microflora in the large intestine help to synthesize certain vitamins. The primary function of the large intestine is to salvage energy from carbohydrate not digested in the upper gut.
Why are you tired after bowel movement?
I have a hypothesis about this, but I have no idea how to test it. I wonder if, before the bowel movement, you are tensing up your muscles to "hold it in," whereas afterward your muscles are more relaxed, so you are more "dead weight" as you stand on the scale.
What tissue types are found in the intestinal tract?
The mucosa of the small intestine is characterized by evagination into plicae and villi, which increase the surface area for nutrient absorption, and by short tubular invaginations, the crypts, which provide a protected site for stem cells. The structure of the intestinal mucosa may be altered by pathological processes. Examples include ischemic enteritis or necrotizing enterocolitis, both characterized by necrosis of the mucosa (see WebPath and WebPath), and malabsorption enteropathy (celiac sprue), characterized by blunting or loss of villi with concommitant loss of absorptive surface area, increased crypt length, and inflammatory infiltrate in lamina propria (see WebPath or Milikowski & Berman's Color Atlas of Basic Histopathology, p. 256, or Robbins Pathologic Basis of Disease.)The mucosa of the small intestine is lined by a simple columnar epithelium which consists primarily of absorptive cells (enterocytes), with scattered goblet cells and occasional enteroendocrine cells. In crypts, the epithelium also includes Paneth cells and stem cells.
Functional integrity of the mucosal epithelium is critical for normal function. The cholera toxin kills the epithelial cells, so that cell to cell junctions no longer maintain the integrity of the fluid barrier between lumen and lamina propria. As a consequence, bodily fluid moves freely into the lumen and hence out through the intestine as thin watery diarrhea, leading to rapid, massive dehydration and death. Most patients may be saved simply by keeping them hydrated for just for just a few days, either with an intravenous plasma substitute (expensive) or with a properly balanced solution of salt and sugar deliveredorally (cheap). By that time, the cholera vibrios (bacteria) will have cleared, and the epithelium will be replaced by stem cells dividing in the crypts.
Absorptive cells (enterocytes) are responsible for absorbing nutrients from the intestinal lumen and transporting across the epithelium to the lamina propria, whence they diffuse into capillaries.
The brush border of the intestinal epithelium not only facilitates absorption, it also provides a site of attachment for pathogens. For an example (cryptosporidia), see WebPath.
Goblet cells secrete mucus to promote movement and effective diffusion of gut contents.
Enteroendocrine cells secrete hormones to regulate secretion into the GI tract.
Paneth cells, located at the bottoms of the crypts, secrete lysosomal enzymes and other factors into the crypt lumen. These agents presumably help protect the crypt epithelium with its vital stem cells.
Stem cells line the walls of the crypts and continually replenish the intestinal epithelium, completely replacing all the absorptive and goblet cells approximately once every four days.
Lamina propria of each villus is richly supplied with capillaries and also includes a single lacteal, for transporting absorbed nutrients. Lamina propria also includes thin strands of smooth muscle (presumably allowing some motility for individual villi, to encourage thorough fluid mixing at the absorptive surface) and numerous white blood cells.
The muscularis mucosa of the small intestine forms a thin layer (only a few muscle fibers in thickness) beneath the deep ends of the crypts.
The submucosa of the small intestine is relatively unspecialized, except in the duodenum where it is packed with the mucous-secreting Brunner's glands.
Muscularis externa of the small intestine has the standard layers of inner circular and outer longitudinal smooth muscle, with ganglia of Auerbach's plexus scattered in between..
Over most of the small intestine, the outer layer is a serosa attached to mesentery. The exception is the duodenum, which is retroperitoneal.
-Dr. Fabianski Benjamin
National Institute of Bio-informatics and Bio-technology.
Because the rectum forcefully excretes waste from the anus emptying the bladder of waste making a large log shaped or square defecate.
Hydrogenated lipids are also known as fats or oils. Hydrogenated lipids were treated with hydrogen and are not as healthy as other alternatives.
When nutrients leave the small intestine where does the blood carry them?
after the small intestine the blood travels to the heinz gland which then checks to see if their is any rubbish such as number plates in
What would pain be on the lower left quadrant of the body?
There can be many causes as several vital organs exist in this part of your body. Your spleen and/or apendix lie in this region, as well as part of your liver, stomach and pancreas. My advice is to bring this point up to your family practitioner and note any other symptoms you might be having i.e. does it hurt at certain times of the day, when you eat certain foods, when you bend/move a certain way, etc.
What is the longest section of the intestines?
The small intestine is the longest section of the intestines. It's called "small" because it has a narrower diameter than the large intestine.
What does it mean when you fart to much?
Try eating less beans and it also comes from stress, these answers are real.
How many pounds are you suppose to weigh if you're an 11 year old?
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What are the small intestines in the digestive system?
The small intestine plays a role in digestion of carbs and fats, but the primary role of the small intestine is the absorption of nutrients broken down by digestion. These include, the absorption of: Proteins (amino acids), Carbohydrates (monosaccharides), Fats (lipids), Vitamins and Minerals.
There is no such thing as pus cells.
Pus is a conglomeration of living, dead and dying white blood cells that have been sent by the body to fight an infection.
You might have mucus in your stool but that is not the same thing as pus.
Why does your head hurt if you are constipated?
Constipation can cause a person to get a head ache. The causes of a headache occurring with constipation include dehydration, stress, and toxic build up.
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A fart is only the release of gases produced during the digestion process.
Do large intestines pass solid waste?
A wave of peristalsis propel the contents of the large intestine out of anus when you defecate.
