Category: H
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Hepatic portal system
A group of veins linking to form the portal vein, which brings blood from the pancreas, spleen, gall bladder and the abdominal part of the alimentary canal to the liver.
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Hepaticostomy
A surgical operation to make an opening in the hepatic duct taking bile from the liver. A surgical operation in which a temporary or permanent opening is made into the main duct carrying bile from the liver. The establishment of a permanent fistula into the hepatic duct.
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Hepatic flexure
A bend in the colon, where the ascending and transverse colons join. The bend in the colon, just underneath the liver, where the ascending colon joins the transverse colon. The bend of the colon under the liver; the junction of the ascending and transverse colon. The bend of the colon located on the right side…
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Hepatic duct
A duct which links the liver to the bile duct leading to the duodenum. Tube that carries bile from the liver toward the intestine; it joins with the cystic duct from the gallbladder to form the common bile duct. A duct that receives bile from the right or left lobe of the liver and carries…
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Hepatic cell
An epithelial cell of the liver acini.
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Hepatic artery
An artery which takes the blood to the liver. A branch of the celiac artery (a very short branch of the abdominal aorta) supplying blood to the liver.
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Henoch-Schonlein purpura
A condition in which blood vessels become inflamed and bleed into the skin, causing a rash called purpura and also pain in the stomach and the joints, vomiting and diarrhoea. It often occurs after an upper respiratory infection, mostly in children aged two to 11. A blood disorder of children, in which the skin becomes…
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Henderson’s model
A model of nurse patient relationships based on 14 basic principles of nursing. The main idea is that ‘the nurse does for others what they would do for themselves if they had the strength, the will, and the knowledge…but that the nurse makes the patient independent of him or her as soon as possible’.
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Hemicolectomy
The surgical removal of part of the colon. Surgical removal of part of the colon. A hemicolectomy is usually performed to remove colon tissue damaged by a blockage or to treat colon cancer, colitis, or diverticular disease. In hemicolectomy, the diseased segments of the colon are removed and the remaining healthy parts are joined together.…
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Hemiatrophy
A condition in which half of the body or half of an organ or partis atrophied. Atrophy of one side, or of part of one side, of the body: for example, facial hemiatrophy, in which one-half of the face is smaller than the other, either in the course of development or as a result of…