Fibroepithelial Polyp: From 1 Different Sources
a fibrous overgrowth covered by epithelium, often occurring inside the mouth in response to chronic irritation (usually following accidental biting). It is sometimes called a fibrous *epulis.
The immature life-cycle form of a jellyfish (or other cnidarian) which is attached to a substrate. Tumour projecting from mucosal surface.... polyp
1 The administration of many drugs at the same time. 2 The administration of an excessive number of drugs.... polypharmacy
A molecule in which several AMINO ACIDS are joined together by peptide bonds. PROTEIN molecules are polypeptides.... polypeptide
The presence of a crop, or large number, of polypi (see POLYPUS). The most important form of polyposis is that known as familial polyposis coli. This is a hereditary disease characterised by the presence of large numbers of polypoid tumours in the large bowel. Every child born to an affected parent stands a ?fty-?fty chance of developing the disease. Its importance is that sooner or later one or more of these tumours undergoes cancerous change. If the affected gut is removed surgically before this occurs, and preferably before the age of 20, the results are excellent.... polyposis
A suggestion by two epidemiologists, made in the British Medical Journal in 2003, that many lives could be saved if all persons aged over 55 took a daily combination pill they termed the polypill. Its components would be ASPIRIN, a CHOLESTEROL-lowering agent, FOLIC ACID and two blood-pressure-lowering agents. The suggestion caused a massive correspondence as it implied treating a whole population rather than individuals considered to be at special risk.... polypill
(FAP) see polyposis.... familial adenomatous polyposis
see polyp.... juvenile polyp
a hormone released from the D cells of the *islets of Langerhans of the pancreas in response to protein in the small intestine. Its actions are to inhibit pancreatic bicarbonate and protein enzyme secretion and to relax the gall bladder. It belongs to a family of similar hormones that have actions on appetite and food metabolism.... pancreatic polypeptide
n. the endoscopic or surgical removal of a *polyp. The technique used depends upon the site and size of the polyp. Endoscopically, polyps can be removed by various methods. A hot biopsy involves coagulation of a small polyp using a diathermy current passed through biopsy forceps, which obtains a sample for analysis at the same time. Cold biopsy involves removal of a polyp using forceps alone, thereby decreasing the perforation risk. Snare polypectomy uses a wire loop (snare) to cut through the base of the polyp. This is performed with or without a diathermy current (hot snare vs. cold snare); the current reduces the risk of bleeding by coagulating local blood vessels as the snare cuts through the polyp. Endoscopic mucosal resection (EMR) involves lifting a flat polyp by injecting a hypertonic solution into the submucosa beneath the polyp followed by snare polypectomy with diathermy. Nasal polyps may be removed using *endoscopic sinus surgery techniques, sometimes utilizing a *microdebrider.... polypectomy
n. excessive eating.... polyphagia
adj. describing a number of individuals, species, etc., that have evolved from more than one ancestral group. Compare monophyletic.... polyphyletic
adj. describing cells, tissues, or individuals in which there are three or more complete sets of chromosomes. Compare diploid; haploid. —polyploidy n.... polyploid
adj. having the appearance of a *polyp.... polypoid
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