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Topic: Intestine


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In the News (Tue 12 Dec 17)

  
  XI. Splanchnology. 2g. The Small Intestine. Gray, Henry. 1918. Anatomy of the Human Body.
The small intestine is a convoluted tube, extending from the pylorus to the colic valve, where it ends in the large intestine.
It is the strongest layer of the intestine.
Treves states that, in one hundred cases, the average length of the small intestine in the adult male was 22 feet 6 inches, and in the adult female 23 feet 4 inches: but that it varies very much, the extremes in the male being 31 feet 10 inches, and 15 feet 6 inches.
www.bartleby.com /107/248.html   (0 words)

  
 XI. Splanchnology. 2h. The Large Intestine. Gray, Henry. 1918. Anatomy of the Human Body.
Each lip of the valve is formed by a reduplication of the mucous membrane and of the circular muscular fibers of the intestine, the longitudinal fibers and peritoneum being continued uninterruptedly from the small to the large intestine.
The glands of the great intestine are minute tubular prolongations of the mucous membrane arranged perpendicularly, side by side, over its entire surface; they are longer, more numerous, and placed in much closer apposition than those of the small intestine; and they open by minute rounded orifices upon the surface, giving it a cribriform appearance.
The intestine descends along this pouch into the cavity of the tunica vaginalis which constitutes the sac of the hernia, and the gut lies in contact with the testis.
www.bartleby.com /107/249.html   (0 words)

  
 Human Intestine | Human Body Intestine
The intestines are supported by a thin, web-like structure called the mesentery which allows for changes in their size and position and still provides support.
The small intestine also makes waves which move the food forward, but these are usually weak and infrequent to allow the food to stay in one place until the nutrients can be absorbed.
The large intestine absorbs water from its inner contents and stores the rest until it is convenient to dispose of it.
www.innerbody.com /image/dige08.html   (0 words)

  
 The Human Intestines: function, body location, shape, definition, disease of
The intestine is the portion of the digestive tract between the stomach and the anus.
The large intestine is divided into 6 parts: cecum, ascending colon, transverse colon, descending colon, sigmoid colon, and rectum.
The large intestine is responsible for absorption of water and excretion of solid waste material.
www.mamashealth.com /organs/intestine.asp   (310 words)

  
 Intestine transplant survivor gets married
Yang Feng was diagnosed with diverticulosis, a serious intestinal disease, as a baby and had to rely on large doses of antibiotics throughout his childhood to ease inflammations.
When he was 18, surgeons had to remove almost 500 cm, or 90 percent, of his small intestine, causing serious digestion and excretion problems that were threatening his life.
An adult's small intestine is between five and seven meters long and it is difficult to survive with less than one meter.
www.chinadaily.com.cn /china/2007-01/28/content_794782.htm   (0 words)

  
 Small intestine biopsy
When the tissue involved is part of the small intestine, the procedure is called a small-intestine (or small-bowel) biopsy.
The small-bowel biopsy is used to diagnose and confirm disease of the intestinal mucosa (the lining of the small intestine).
When fluoroscopy confirms that the capsule has passed the pylorus, small samples of small intestine tissue are obtained by the instrument's cutting edge, after which the instrument and tube are withdrawn.
www.healthatoz.com /healthatoz/Atoz/ency/small_intestine_biopsy.jsp   (0 words)

  
 Small Intestine Cancer
Cancer of the small intestine, a rare cancer, is a disease in which cancer (malignant) cells are found in the tissues of the small intestine.
The small intestine is a long tube that folds many times to fit inside the abdomen.
Although there is a staging system for cancer of the small intestine, for treatment purposes this cancer is grouped based on what kind of cells are found.
www.clevelandclinic.org /health/health-info/docs/1400/1446.asp?index=6225   (0 words)

  
 Foreign Bodies in the Small Intestine of Dogs
Most larger intestinal foreign bodies simply get stuck in the intestine, where they cause a blockage that prevents food from moving through the tract.
All suspected incidences of an intestinal foreign body are emergencies and should be monitored closely.
Often, the damaged section of the intestine must be removed and the unaffected ends reattached.
www.peteducation.com /article.cfm?cls=2&cat=1571&articleid=285   (0 words)

  
 BBC Science & Nature - Human Body and Mind - Organ Layer
Your small intestine is around five metres long, making it the longest section of your digestive tract.
These are microscopic, finger-like protrusions which give the lining of the small intestine a massive surface area for absorption of nutrients to occur across.
All that remains is indigestible food which is passed from your small intestine to your large intestine for further processing.
www.bbc.co.uk /science/humanbody/body/factfiles/smallintestine/small_intestine.shtml   (0 words)

  
  Intestine definition - Medical Dictionary definitions of popular medical terms
Intestine: The long, tubelike organ in the abdomen that completes the process of digestion.
It consists of the small and large intestines.
Small Intestinal Bacterial Overgrowth - Small intestinal bacterial overgrowth (SIBO) has many conditions associated with it, including diabetes, scleroderma, and Crohn's disease.
www.medterms.com /script/main/art.asp?articlekey=4004   (233 words)

  
  Intestine - MSN Encarta
Intestine, also bowels, in higher animals, the portion of the digestive tract between the stomach and anus.
The middle part of the small intestine, extending from the duodenum to the ileum, is called the jejunum, and the terminal portion is the ileum, which leads into the side of the first part of the large intestine, the cecum.
The sigmoid colon is the S-shaped portion of the large intestine as it enters the pelvic cavity.
encarta.msn.com /encnet/refpages/RefArticle.aspx?refid=761563142   (491 words)

  
  Intestine - Wikipedia, the free encyclopedia
The intestine is the portion of the alimentary canal extending from the stomach to the anus and, in humans and other mammals, consists of two segments, the small intestine and the large intestine.
In humans, the small intestine is further subivided into the duodenum, jejunum and ileum while the large intestine is subdivided into the cecum, colon and rectum.
Gastroenteritis is inflammation of the intestines and is the most common disease of the intestines.
en.wikipedia.org /wiki/Intestine   (413 words)

  
 Intestine, Small: Encyclopedia of Nursing & Allied Health
The small intestine is a coiled, tube-like organ held in place by two membrane sheets attached to the walls of the abdominal cavity and referred to as the mesentery.
The absorption of nutrients across the epithelial cell boundary of the small intestine is made possible by maintaining a "sodium electrochemical gradient." The interior of all cells maintains a low concentration of sodium.
Atresia of the small intestine is characterized by the absence or closure of parts of the small intestine.
health.enotes.com /nursing-encyclopedia/intestine-small   (1773 words)

  
 Large Intestine: Biology of the Digestive System: Merck Manual Home Edition
The large intestine consists of the cecum and ascending (right) colon, the transverse colon, the descending (left) colon, and the sigmoid colon, which is connected to the rectum.
The large intestine secretes mucus and is largely responsible for the absorption of water from the stool.
Intestinal contents are liquid when they reach the large intestine but are normally solid by the time they reach the rectum as stool.
www.merck.com /mmhe/sec09/ch118/ch118h.html   (230 words)

  
 INTESTINE - LoveToKnow Article on INTESTINE
By intussusception is meant an invaginationor protrusion of a part of the intestine in the lumen of the intestineimmediately below it; the lower part of the intestine may be saidto have swallowed that immediately above it.
Strictures of the Intestinal Watl.Simple strictures are infrequent, and are dealt with by the operation of lateral anastomosis.
Theyfollow dysenteric or tuberculous ulceration or the passage of gall-stones.
www.1911encyclopedia.org /I/IN/INTESTINE.htm   (2673 words)

  
 (DIGESTIVE) Small Intestine
The small intestine is the primary organ of the digestive tract.
The large intestine stretches from a valve that rests between the bottom of the small intestine and the top of the large intestine, to the anus.
The large intestine has multiple subdivision such as the cecum, the appendix, the colon, the rectum, and the canal.
library.thinkquest.org /16421/1024x768/frames/VAbus/systems/Digestive/small_intestine.htm   (618 words)

  
 Intestine Summary
The tissue layer of the intestines adjacent to the mucosa is the submucosa.
In anatomy, the intestine is the portion of the alimentary canal extending from the stomach to the anus and, in humans and other mammals, consists of two segments, the small intestine and the large intestine (or colon).
However the large intestine is mainly concerned with the absorption of water from digested material (which is regulated by the hypothalamus), as well as any nutrients that may have escaped primary digestion in the Ileum.
www.bookrags.com /Intestine   (1870 words)

  
 Small intestine - Wikipedia, the free encyclopedia
At they hi biology the small intestine is the part of the gastrointestinal tract between the stomach and the large intestine (colon).
Food from the stomach is allowed in to the duodenum by a muscle called the pylorus, or pyloric sphincter, and is then pushed through the small intestine by a process of muscular contractions called peristalsis.
Although the small intestine is much longer than the large intestine (typically 4-5 times the length of the large intestine), it is referred to as such due to its comparatively smaller diameter.
en.wikipedia.org /wiki/Small_intestine   (333 words)

  
 Digestion
The intestine of the apple snail is lies close to the style sac and coils around the posterior kidney and can be divided in several parts: the caecum, the first, second and third part of the intestine and the anal papilla.
At the end of the first part, the intestinal groove expands to a pouch and the typhlosole bends to the pouch, while its tip points to the shallow groove of the second part of the intestine.
At the junction with the third part of the intestine (rectum) the groove is deflected in a small diverticle.
www.applesnail.net /content/anatomy/digestion.php   (1952 words)

  
 [No title]
From the small intestine, the unabsorbed food passes into the large intestine, or colon, at the lower right-hand portion of the abdominal cavity.
The large intestine has three segments: the ascending colon, which runs up the right side of the abdominal cavity, the transverse colon, which runs across the top of the abdominal cavity, and the descending colon, which runs down the left side of the abdominal cavity.
In the human adult small intestine, the profiles of inhibition of uptake of [3H]thymidine (1µM) or [3H]guanosine (1µM) by BBMV were similar to those observed with the fetal intestinal BBMV.
www.lycos.com /info/intestine--small-intestine.html?page=3   (715 words)

  
 The Small Intestine
The small intestine is the largest part of the gastrointestinal tract and is composed of the duodenum which is about one foot long, the jejunum (5-8 feet long), and the ileum (16-20 feet long).
The small intestine is the area in the digestive tract where almost all of the nutrients from food are absorbed into the blood stream.
Another danger to intestinal health is the loss of naturally occurring bacteria that are responsible for extracting some nutrients and for producing the majority of vitamin K circulating in the body.
www.becomehealthynow.com /article/bodydigestive/730   (1248 words)

  
 SIU SOM Histology GI
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 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.
The small intestine is divided, somewhat arbitrarily, into three regions: the duodenum, the jejunum, and the ileum.
www.siumed.edu /~dking2/erg/smallint.htm   (886 words)

  
 Length of a Human Intestine
The small intestine is a long, narrow, coiled tube extending from the stomach to the large intestine.
The large intestine is the posterior or end of the human intestine that consists of four regions the, the cecum, the colon, the rectum and the anal canal.
Therefore the average length of the human intestine is equal to the length of the small intestine added to the length of the large intestine.
www.hypertextbook.com /facts/2001/AnneMarieThomasino.shtml   (403 words)

  
 [No title]
In humans, PEM is often associated with infection, a factor that limits the study of the effects of protein-energy restriction itself on the structure and function of the small intestine.
Duodenal infusion of diluted acid stimulated the release of PLA2 from the upper small intestine to elicit the secretion of secretin, which was abolished by intravenous administration of anti-PLA2.
These results strongly suggested that pancreatic PLA2 in the small intestine is an SRF in regulation of the release of secretin and pancreatic exocrine secretion in response to duodenal acidification in the rat.
www.lycos.com /info/intestine--studies.html   (364 words)

  
 Drug Delivery to the Small Intestine   (Site not responding. Last check: 2007-10-11)
The distribution of Pgp increases from the proximal to the distal regions of the human small intestine based on analysis of four human donor intestines [6].
Recent data suggest that a number of drugs are actively transported across the small intestinal epithelium, leading to higher bioavailability than would be predicted based only on their physicochemical properties [16].
One of the prodrugs tested showed high affinity for the intestinal transporter PEPT1 and characteristics desired (stability in the upper intestine and as the prodrug is transported through the epithelium and the ability to regenerate the parent drug in blood).
www.current-reports.com /article.cfm?PubID=GR06-5-1-04&Type=Article&KeyWords=   (4025 words)

  
 Small intestine cancer Encyclopedia of Cancer - Find Articles   (Site not responding. Last check: 2007-10-11)
The small intestine is a long tube inside the abdomen divided into three sections: the duodenum, jejunum, and ileum.
Adenocarcinoma is the most common cancer of the small intestine, but only accounts for 2% of all tumors in the gastrointestinal tract and 1% of all deaths related to cancer of the gastrointestinal tract.
Cancer of the small intestine is treatable and sometimes curable depending on the histology.
www.findarticles.com /p/articles/mi_gGEC/is_0014/ai_2699001403   (813 words)

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