Ileum – Function, Definition and Conditions

Definition and Function Of Ileum The third, final, and longest segment of the SMALL INTESTINE. About 10 feet in length, the ileum extends from the JEJUNUM to the CECUM. The ileum absorbs fats and fat-soluble vitamins as well as other remaining nutrients from the digestive content, which it then passes through the ileocecal valve into the cecum (the first segment of […]

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Bowel Movement – what is and definition

Bowel Movement Definition Bowel Movement is the passage of solid digestive waste (called feces or stool) from the body through the ANUS. The frequency, appearance, and nature of bowel movements are highly variable. Food typically travels through the gastrointestinal system in 18 to 36 hours, so most people have bowel movements daily or every other day. However, […]

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Intestinal Adhesions – Symptoms, Causes and Treatment

Definition Areas of tissue that fuse together when SCAR tissue extends into normal tissue. Intestinal adhesions are most common in people who have had abdominal surgery (particularly multiple operations) though also may form with ENDOMETRIOSIS, INFLAMMATORY BOWEL DISEASE (IBD), CELIAC DISEASE, and other circumstances in which there is damage to the abdominal tissues that generates scar tissue. Symptoms and Treatment […]

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Bowel Sounds – Definition, Types

Bowel Sounds Definition and Types The noises of the gastrointestinal tract. Listening to sounds through a stethoscope (AUSCULTATION) provides important clues about the function of the gastrointestinal tract. Normal noises vary in tone and loudness according to the activity of the bowel though follow characteristic patterns the doctor can identify. Excessive noises often accompany excessive bowel […]

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Jejunum – function and definition

Jejunum Definition The middle segment of the SMALL INTESTINE, between the ILEUM and the DUODENUM. The jejunum is six to eight feet long and handles absorption of carbohydrates and proteins, as well as vitamins such as VITAMIN K and minerals such as iron. The jejunum’s tissue composition and excellent blood supply allow it to be the source of tissue grafts […]

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Cecum – Definition and Function

Cecum Definition Cecum is the first segment of the COLON (large intestine) into which the ILEUM, the final segment of the SMALL INTESTINE, empties digestive matter. It is a pouchlike structure located in the lower right abdomen that absorbs water from the waste, returning fluid to the body and consolidating the waste for its journey through the end stage […]

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Liver function and diseases

Liver Definition The largest internal organ in the body. Its soft, spongy tissue spreads like a flattened football between the DIAPHRAGM and the STOMACH, tucked protectively beneath the lower ribs on the right side of the abdomen. Weighing about three and a half pounds, the liver contains 15 percent of the body’s blood (about a pint). Liver function About […]

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Cholesterol, Endogenous – definition

Definition A sterol ALCOHOL molecule essential for many functions of cellular METABOLISM and the synthesis (production) of numerous hormones. The LIVER synthesizes the cholesterol that circulates within the body (endogenous) from dietary fats, particularly saturated fats, and the components of dietary cholesterol that enter the bloodstream from the gastrointestinal tract. The liver can continue to synthesize […]

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