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Antrum - Wikipedia, the free encyclopedia In Biology, "Antrum" is a general term for a cavity or chamber which may have specific meaning in reference to certain organs or sites in the body. antrum cardiacum - a dilation that occurs in the esophagus near the stomach (forestomach) antrum follicularum - the cavity in the epithelium that envelops the oocyte en.wikipedia.org /wiki/Antrum   (108 words)

Pyloric antrum - Wikipedia, the free encyclopedia Pyloric antrum is initial portion of the pyloric part of the stomach. It may temporarily become partially or completely shut off from the remainder of the stomach during digestion by peristaltic contraction of the prepyloric sphincter; it is demarcated, sometimes, from the second part of the pyloric part of the stomach (pyloric canal) by a slight groove. The pyloric antrum is the location of several important endocrine cells including Gastrin-producing G Cells (stimulate acid production) and the luminal-pH-sensitive population of somatostatin producing of D cells (responsible for shutting off acid secretion. en.wikipedia.org /wiki/Pyloric_antrum   (168 words)

Antrectomy: Encyclopedia of Surgery The antrum is the lower third of the stomach that lies between the body of the stomach and the pyloric canal, which empties into the first part of the small intestine. Because the antrum produces gastrin, which is a hormone that stimulates the production of stomach acid, its removal lowers the level of acid secretions in the stomach. A cutting stapler may be used to remove the lower third (the antrum) and attach the upper portion of the stomach to the small intestine. health.enotes.com /surgery-encyclopedia/antrectomy   (2916 words)

A novel mitogenic protein that is highly expressed in cells of the gastric antrum mucosa -- Martin et al. 285 (2): 332 ... The nonmucosal tissue of the antrum and corpus Stimulation of cell growth by porcine antrum protein extract was totally inhibited at a dilution of 1:100 (P < 0.001) and, to a lesser extent, at dilutions of 1:200 and 1:400 (P < 0.001). of the mucus overlying the antrum epithelium in vivo. ajpgi.physiology.org /cgi/content/full/285/2/G332   (6711 words)

Antrum named service line liaison: 1/8/98 Sheila Antrum has been Appointed service line liaison for medicine and dermatology at UCSF Stanford Health Care, announced Bruce Schroffel, senior vice president and chief operating officer for adult services, San Francisco, in a Jan. 5 memo. Antrum comes to the merged organization from the University of Pennsylvania Health System, where she served as the division administrator for the gastroenterology and endocrine/diabetes divisions. Her responsibilities as service line liaison will include facilitation of program development and volume growth, financial analysis and support for cost per case, utilization analysis, facilitation of marketing and contracting, interaction with operational departments for service issues and problem solving, support for outcomes measurement systems, and interaction with the billing department. www.stanford.edu /dept/news/report/news/1998/january14/antrum.html   (114 words)

Helicobacter pylori tissue tropism: mouse-colonizing strains can target different gastric niches -- Akada et al. 149 ... DNA was extracted from the halves of the antrum and of the corpus pylori titres in antrum and corpus of singly- and mixed-inoculated C57BL/6J mice. antrum and 20 of 30 from the corpus. mic.sgmjournals.org /cgi/content/full/149/7/1901   (4899 words)

THE MERCK MANUAL, Sec. 3, Ch. 23, Gastritis And Peptic Ulcer Disease Acute gastritis is characterized by polymorphonuclear cell infiltration of the mucosa of the antrum and corpus. It predominantly involves the antrum, with subsequent loss of G cells and decreased gastrin secretion, or the corpus, with loss of oxyntic glands, leading to reduced acid, pepsin, and intrinsic factor. Given the high prevalence of the organism in the antrum, biopsies should be obtained from this area of the stomach, preferably within 1 to 2 cm of the pylorus. www.merck.com /mrkshared/mmanual/section3/chapter23/23b.jsp   (2770 words)

Dorlands Medical Dictionary (an”tro-buk´əl) pertaining to or communicating with the maxillary antrum (sinus) and (oral) buccal cavity, as an antrobuccal fistula. (an”tro-doo”o-de´nəl) [antro- + duodenal] pertaining to the pyloric antrum and the duodenum. (an”tro-tim-pan´ik) pertaining to the mastoid antrum and the tympanic cavity. www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_a_50zPzhtm   (1366 words)

BBC - h2g2 - The Antrum of Initiation, Baia, Italy The Antrum of Initiation, or Great Antrum, is a complex of artificial tunnels excavated into the volcanic rock at Baia (the ancient Roman resort town of Baiae) on the northern side of the Bay of Naples in Italy. In May of 2001, Robert Temple was permitted to explore the Antrum once again and found that the temperatures in the depths had dropped to a bearable level since the initial explorations of the 1960s. The Antrum's entrance is a descending tunnel slightly more than half a metre wide and what the excavator of the Antrum, RF Paget, describes as 'walking height' although the original height was revealed by excavation to have been 2.5 metres. www.bbc.co.uk /dna/collective/A1035127   (1723 words)

Chapter 9 (page 34) In the gastric ulcer group no significant difference was found between the numbers of G cells at various levels of the "antrum"; in the cases of duodenal ulcer with uraemia there was a statistically significant increase in the number of G cells from the proximal to the distal part of the "antrum". The first part of the duodenum contained considerably fewer G cells than the "antrum", and the numbers in the duodenum were virtually equal in the two groups. In the duodenal ulcer group, as well as in the group of duodenal ulcer with uraemia, and the gastric carcinoma group, the density of G cells increased from the proximal to the distal part of the antrum; in the group of gastric ulceration the overall density in various parts of the antrum remained the same. med.plig.org /9/34.html   (953 words)

Expansion of the maxillary antrum by an antro-choanal polypus (a case report). Raut VV, Bhattacharya AK J Postgrad Med A case of expansion of the maxillary antrum by an antrochoanal polypus is presented for its rarity. On anterior rhinoscopy a single polyp was seen in the right nostril, which was insensitive to touch, surrounded by mucopurulent discharge, arising from the region of the rniddle meatus and extending posteriorly from the choanae into the nasopharynx, which was confirmed by posterior rhinoscopy. On opening the antrum, the polyp bulged out thus indicating the amount of pressure it was exerting on the walls of the maxillary antrum. www.jpgmonline.com /article.asp?issn=0022-3859;year=1991;volume=37;issue=2;spage=123;epage=4;aulast=Raut   (650 words)

UCSD Medical Center: Leadership : Chief of Ambulatory Operations Sheila Antrum   (Site not responding. Last check: 2007-10-31) Antrum was Assistant Director of Support, Services Planning and Analysis at UC San Francisco Medical Center. As CAO, she is responsible for all of the functions that support the ambulatory care delivery system of UCSD Medical Center, including hospital-based and off-site clinics in Hillcrest, La Jolla and Scripps Ranch, and for Women’s Services, Clinical Oncology and Scheduling Services. Antrum earned her nursing degree from the Hampton Institute in Hampton, Virginia, and her Master’s Degree in Health Services Administration from the University of Michigan School of Public Health. health.ucsd.edu /About/Leadership/antrum.htm   (236 words)

Peptide fragments of AMP-18, a novel secreted gastric antrum mucosal protein, are mitogenic and motogenic -- Toback et ... Effect of porcine antrum mucosal extract, human AMP peptide 77–97, and EGF on growth of gastric (AGS) and intestinal (IEC-6) cells. Different amounts of antrum extract, peptide 77–97, and/or EGF were added to the culture medium, and 4 days later the no. of cells was counted. and in gastric mucus aspirated from the antrum surface of anesthetized ajpgi.physiology.org /cgi/content/full/285/2/G344   (6008 words)

OEDILF - Word Lookup The antrum, a nasal sinus, can cause a severe headache when full of fluid. From a medical report recently in the news: "Endoscopic examination revealed a live leech at the left middle meatus with a large part of its body inside the left maxillary antrum. antrum: a hollow in a bone; in this case, a sinus cavity www.oedilf.com /db/Lim.php?Word=antrum   (196 words)

APStracts 10:0091G, 2003.   (Site not responding. Last check: 2007-10-31) Antrum mucosal protein (AMP)-18 is a novel 18-kDa protein synthesized by cells of the gastric antrum mucosa. The protein is present in secretion granules of murine gastric antrum epithelial cells and is a component of canine antrum mucus, suggesting that it is secreted into the viscoelastic gel layer on the mucosal surface. Release of the protein appears to be regulated because forskolin decreased the amount of immunoreactive AMP-18 in primary cultures of canine antrum mucosal epithelial cells, and indomethacin gavaged into the stomach of mice reduced AMP-18 content in antrum mucosal tissue before inducing histological injury. www.uth.tmc.edu /apstracts/2003/gastro/May/91g.html   (270 words)

Regulation of atrial natriuretic peptide gene expression in gastric antrum by fasting -- Gower et al. 278 (3): 770 -- ... of immunoreactive gastrin in the antrums of fed and food-deprived in the lamina propria or submucosa in the stomach antrum of the in the antrum of food-deprived rats parallels the decrease in ajpregu.physiology.org /cgi/content/full/278/3/R770   (6110 words)

Histol Histopathol, Vol 17, Jovanovic et al Eighty-four biopsy specimens from 42 patients (antrum n=15, corpus n=20, cardia n=7) without evidence of IM were studied as a control group. The CK7/20 immunophenotype of IM in the gastric cardia closely resembles that of the IM in the gastric antrum and corpus and is different from IM in long-segment Barrett's esophagus. In contrast, the CK7/20 immunophenotype of the cardiac epithelium is different from that of the gastric antrum and corpus mucosa, suggesting that cardiac epithelium might not be a native normal gastric epithelium but one that is acquired as a consequence of longstanding inflammation. www.hh.um.es /Abstracts/Vol_17/17_2/17_2_445.htm   (402 words)

Wall Thickening of the Gastric Antrum as a Normal Finding: Multidetector CT with Cadaveric Comparison -- Pickhardt and ... striation) of the thickened portion of the gastric antrum was The gastric antrum, pylorus, and duodenal bulb were readily Low-power photomicrographs of histologic sections through anterior wall of distal gastric antrum (B) and proximal gastric body (C) at same magnification show that relative antral thickening is primarily caused by differences in circular smooth muscle layer (asterisks). www.ajronline.org /cgi/content/full/181/4/973   (3586 words)

European Society of Clinical Microbiology and Infectious Diseases A new test panel was developed for non-endoscopic diagnosis of atrophic antrum and corpus gastritis from a blood sample. Two patients had an advanced atrophic gastritis in both the antrum and corpus (multofocal atrophic gastritis) and the whole stomach was removed in one patient. pylori gastritis; the antrum and corpus were normal and healthy in 12 patients. www.blackwellpublishing.com /eccmid15/abstract.asp?id=36714   (416 words)

Amazon.com: antrum   (Site not responding. Last check: 2007-10-31) Imaging case study of the month: Developmental changes in the antrum of a child with chronic maxillary atelectasis: An article from: The Annals of Otology, Rhinology & Laryngology by Erik S Kass and Salah Salman (Nov 30, 1999) Antrum Sibyllae Cumanae und Campi Elysii: Zwei vergilische Lokale in den Phlegräischen Feldern (Abhandlungen der Sächsischen Akademie der Wissenschaften zu Leipzig, Philologisch-Historische Klasse) by Ekkehard Stärk (Unknown Binding - 1998) The diseases of the antrum: (maxillary sinus) (Diseases of the mouth and teeth) (Diseases of the mouth and teeth) by Lloyd T Lavan (Unknown Binding - Jan 1, 1903) www.amazon.com /s?ie=UTF8&keywords=antrum&tag=dragoncon&index=blended&link_code=qs&page=1   (315 words)

Effect of epidermal growth factor and insulin-like growth factor I on porcine preantral follicular growth, antrum ... Effect of epidermal growth factor and insulin-like growth factor I on porcine preantral follicular growth, antrum formation, and stimulation of granulosal cell proliferation and suppression of apoptosis in vitro -- Mao et al. C and D) Follicles from EGF treatment group without or with antrum formation, demonstrating higher apoptosis in antral follicles than nonantral follicle and more apoptotic granulosal cells adjacent to the antrum than those in periphery area of the follicle. Growth and antrum formation of bovine preantral follicles in long-term culture in vitro. www.animal-science.org /cgi/content/full/82/7/1967   (5000 words)

Cytomegalovirus involving gastric antrum in immunocompromised hosts: a report of 5 cases Gupta Tarun, Agarwal Deepika, ... Although affliction of the entire gastrointestinal tract with CMV has been described, localization to the stomach, especially gastric antrum, is rare. Though the rate of GI affliction by CMV is high, localization to the gastric antrum is not common. The mechanism of injury in CMV infection is believed to be due to infection of the endothelial cells, causing small-vessel vasculitis, thereby leading to ischemic necrosis. www.indianjgastro.com /article.asp?issn=0254-8860;year=2005;volume=24;issue=6;spage=258;epage=260;aulast=Gupta   (1409 words)

APStracts 10:0090G, 2003.   (Site not responding. Last check: 2007-10-31) The general exon/intron structure of the genomic DNA is conserved in humans and mice. Immunocytochemistry located antrum mucosal protein (AMP)-18 to surface mucosal cells of the mouse antrum and, specifically, to secretion granules, suggesting that it is cosecreted with mucins. Antrum extracts and recombinant human AMP-18 exhibit growth-promoting activity on epithelial cells that can be blocked by the specific antisera. www.uth.tmc.edu /apstracts/2003/gastro/May/90g.html   (256 words)

Identity and Regulation of Stored and Secreted Progastrin-Derived Peptides in Sheep -- Paterson et al. 145 (11): 5129 ... the predominant progastrin-derived peptide in the antrum [progastrin CTI is the predominant immunoreactive form in the antrum. of the predominant progastrin-derived peptides in sheep antrum. endo.endojournals.org /cgi/content/full/145/11/5129   (5303 words)

Microevolution between paired antral and paired antrum and corpus Helicobacter pylori isolates recovered from ... Microevolution between paired antral and paired antrum and corpus Helicobacter pylori isolates recovered from individual patients -- Carroll et al. antrum and corpus or paired antral gastric biopsies from patients pairs of isolates, of which six were antrum and corpus pairs. jmm.sgmjournals.org /cgi/content/full/53/7/669   (4281 words)

Growth and Antrum Formation of Bovine Preantral Follicles in Long-Term Culture In Vitro -- Gutierrez et al. 62 (5): ... Growth and Antrum Formation of Bovine Preantral Follicles in Long-Term Culture In Vitro -- Gutierrez et al. Follicle on left was cultured with FSH (1 ng/ml) and EGF (0.5 ng/ml) for 12 days, and an antrum (A) was visible at Day 10 of culture. Calculated mean probability values for antrum formation or degeneration of untreated follicles (control) or treated follicles. www.biolreprod.org /cgi/content/full/62/5/1322   (3998 words)

Antibody-Secreting Cells in the Stomachs of Symptomatic and Asymptomatic Helicobacter pylori-Infected Subjects -- ... From each subject 11 punch biopsies were collected from the antrum and 11 from the corpus region of the stomach. Gastric lymphocytes were isolated from antrum and corpus biopsies as previously described (46). One biopsy from the antrum and one from the corpus of each subject were histologically examined for the presence of inflammatory iai.asm.org /cgi/content/full/66/6/2705   (5594 words)

Relation between clinical presentation, Helicobacter pylori density, interleukin 1beta and 8 production, and cagA ... In the antrum and corpus the H pylori density in gastritis cases In the antrum the average H pylori density in cagA+ DU patients was significantly greater than in cagA+ gastritis patients island in the antrum is similar in both DU and gastritis. gut.bmjjournals.com /cgi/content/full/45/6/804   (4498 words)

ANTRUM cemetery records - documents 1 to 3 Documents 1 to 3 of 3 matching the query " ANTRUM ". Newspaper obituaries containing the surname " ANTRUM ". Uploaded family histories based on the " ANTRUM " surname. www.interment.net /data/query_select.idq?CiRestriction=ANTRUM&select=/&SUBMIT=Search&CiScope=/&CiMaxRecordsPerPage=30&TemplateName=query_select&CiSort=rank[d]&HTMLQueryForm=search.htm   (94 words)

Gastric Cancer IV, EL SALVADOR ATLAS of Gastrointestinal VideoEndoscopy. obstructed the gastric antrum, infiltrated the gastric angle. Carcinoma of the antrum causing high grade stenosis. A 49 year-old male with obstructed carcinoma of the antrum www.gastrointestinalatlas.com /English/Stomach/Gastric_Cancer_IV_/gastric_cancer_iv_.html   (522 words)

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