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Topic: Peritoneum

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In the News (Sun 21 Apr 19)

  Chapter 26: The abdominal viscera and peritoneum
The peritoneum is a smooth, glistening, serous membrane that lines the abdominal wall as the parietal peritoneum and is reflected from the body wall to various organs, where, as visceral peritoneum, it forms an integral part as the outermost, or serosal, layer.
The pericardium, pleura, and peritoneum have a similar arrangement in the parietal and visceral layers, with a cavity between.
The extraperitoneal tissue external to the parietal peritoneum is carried with the reflections to the organs and becomes a part of the serosal layer.
www.dartmouth.edu /~humananatomy/part_5/chapter_26.html   (2538 words)

 Peritoneum - Wikipedia, the free encyclopedia
Horizontal disposition of the peritoneum in the upper part of the abdomen.
The peritoneum is the serous membrane of the abdominal cavity.
The mesentery is the part of the peritoneum through which most abdominal organs are attached to the abdominal wall and supplied with blood and lymph vessels and nerves.
en.wikipedia.org /wiki/Peritoneum   (898 words)

 peritoneum - HighBeam Encyclopedia
peritoneum, multilayered membrane which lines the abdominal cavity, and supports and covers the organs within it.
The part of the membrane that lines the abdominal cavity is called the parietal peritoneum.
The portion that covers the internal organs, or viscera, is known as the visceral peritoneum and forms the outer layer (serosa) of most of the intestinal tract.
www.encyclopedia.com /doc/1E1-peritone.html   (269 words)

 Peritoneum and Peritoneal Cavity
peritoneum connecting the greater curvature of stomach with the hilum of the spleen
peritoneum stretching between the lesser curvature of the stomach and the visceral surface of the liver
peritoneum, pleura and pericardium are all serous membranes that formed from the same layer of tissue (splanchnic mesoderm) in the embryo
anatomy.uams.edu /AnatomyHTML/peritoneum.html   (1333 words)

 Peritoneal Serous Carcinoma
The penetrance of cancer-associated BRCA1 mutations for ovarian cancer is estimated to be 11%-54%, and for BRCA2 mutations the penetrance for ovarian cancer is 11%-23%.
Reactivity for ER was obtained in 35 (88%) of the metastatic serous carcinomas of the ovary and 6 (86%) of the primary peritoneal serous carcinomas, whereas positivity for PR was observed in 24 (60%) of the metastatic serous carcinomas and 4 (56%) of the primary peritoneal serous carcinomas.
Wilms tumor gene immunoreactivity in primary serous carcinomas of the fallopian tube, ovary, endometrium, and peritoneum.
www.thedoctorsdoctor.com /diseases/peritoneum_serous_ca.htm   (4654 words)

 Dorlands Medical Dictionary
A strong, colorless membrane with a smooth surface, it forms a double-layered sac that is closed in the male and is continuous with the mucous membrane of the uterine tubes in the female.
It holds the viscera in position by its folds, some of which form the mesenteries, connecting portions of the intestine with the posterior abdominal wall; other folds, the omenta, are attached to the stomach; and still others form the ligaments of the liver, spleen, stomach, kidneys, bladder, and uterus.
The potential space between the visceral and the parietal peritoneum is the peritoneal cavity, which consists of the pelvic peritoneal cavity below and the general peritoneal cavity above.
www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_p_14zPzhtm   (2912 words)

The peritoneum is thin membrane that lines the abdominal and pelvic cavities, and covers most abdominal viscera.
To be more precise, and less offensive to language purists, sections of peritoneum that suspend specific organs are individually named; for example, mesogastrium for the stomach, mesojejunum for the jejunum and mesometrium for the uterus.
The visceral peritoneum covering the stomach extends on both sides into large, double-layered sheets that are filled with prominent patches of fat, giving it a lace-like appearance.
arbl.cvmbs.colostate.edu /hbooks/pathphys/misc_topics/peritoneum.html   (374 words)

 Serous Surface Papillary Carcinoma of the Peritoneum: Clinical, Radiologic, and Pathologic Findings in 11 Patients -- ...
papillary serous carcinoma of the peritoneum [7, 8], and serous
Primary papillary serous carcinoma of the peritoneum: CT–pathologic correlation.
Swerdlow M. Mesothelioma of the pelvic peritoneum resembling papillary cystadenocarcinoma of the ovary.
www.ajronline.org /cgi/content/full/183/4/923   (2773 words)

 Highbeam Encyclopedia - Search Results for peritoneum
peritoneum PERITONEUM [peritoneum], multilayered membrane which lines the abdominal cavity, and supports and covers the organs within it.
peritonitis PERITONITIS [peritonitis], acute or chronic inflammation of the peritoneum, the membrane that lines the abdominal cavity and surrounds the internal organs.
It is caused by invasion of bacterial agents or irritant foreign matter during rupture of an internal organ, by spreading infection from the
www.encyclopedia.com /SearchResults.aspx?Q=peritoneum   (307 words)

 Peritoneal Mesothelioma: Mesothelioma of the Peritoneum - Malignant Mesothelioma Information
It is a common misconception that mesothelioma is a type of primary lung cancer; it is not.
Once lodged in the peritoneum, the chronic inflammation process leading to cancerous growths is similar to that occurring in pleural mesothelioma.
It is thought that the asbestos fibers migrate from the stomach area to become lodged in the portion of the peritoneum surrounding the scrotum.
www.allaboutmalignantmesothelioma.com /peritoneal-mesothelioma.htm   (601 words)

 Journal of Translational Medicine | Full text | Monocyte/macrophage and T-cell infiltrates in peritoneum of patients ...
It is perhaps a paradox that the peritoneum which is organized to protect the integrity of intraabdominal organs by facilitating infiltration of inflammatory cells to sites of injury and infection, might also serve to facilitate the promotion of tumor growth and spread.
The purpose of the study reported here was to describe the global pattern of the main inflammatory cell populations in the peritoneum and stroma and to determine whether the magnitude of expression of a limited group of inflammatory genes could be confirmed at the cellular proteomic level in peritoneal tissue and ascites cells.
Biopsy samples were obtained from the peritoneum and from the submesothelial stroma on both sides of the pelvis, approximately 2 cm from the nearest visible tumor deposits, as quickly as possible after the abdominal cavity was accessed.
www.translational-medicine.com /content/4/1/30   (5362 words)

 Link between peritoneum closure and fewer adhesions   (Site not responding. Last check: 2007-11-04)
The finding on this link between peritoneum closure and fewer adhesions (scars that form abnormal connections between two parts of the body) runs contrary to current literature on the drawbacks of the procedure in non-pregnant women and contrary to current thinking among many surgeons.
She said the majority of surgeons don't close the parietal peritoneum; in Lyell's study, 60 percent of surgeons left the peritoneum open.
The researchers found that patients whose peritoneum was surgically closed following their first delivery were significantly less likely to have developed abdominal adhesions: 52 percent of patients with prior closure had adhesions versus 73 percent of non-closure patients.
www.news-medical.net /?id=12139   (759 words)

 Mesentery - Wikipedia, the free encyclopedia
Mesentery is an anatomical term that specifically refers to the double layer of peritoneum that connects a part of the small intestine to the posterior wall of the abdomen.
The peritoneum that lies on the walls of the abdominopelvic cavity (parietal peritoneum) invaginates at certain parts, with an organ inside this invagination.
Broad ligament of the uterus - peritoneum of the uterus, uterine tubes, and ovaries
en.wikipedia.org /wiki/Mesentery   (390 words)

 Peritoneum & Pelvic Floor--Fascias & fat   (Site not responding. Last check: 2007-11-04)
The vesical peritoneum anteriorly is hardly noticeable unless the bladder is filled, and when it is, it remains an extra-peritoneal organ covered by parietal peritoneum.
Posteriorly, these organs and their ligamentous structures continue to be covered by visceral peritoneum as it drapes abruptly medially and continues downward to the uterine cervix.
The 'broad ligament', actually a mesentery adjacent to the uterus laterally on either side, is comprised of anterior and posterior parietal peritoneum, with vessels between.
summit.stanford.edu /ourwork/PROJECTS/LUCY/lucywebsite/peritoneum2.html   (245 words)

 Peritoneum - Search Results - ninemsn Encarta
It consists of a parietal layer, which lines the walls of the cavity, and a visceral layer...
The abdominal cavity is lined by a large membrane called the peritoneum, which is attached to the mesenteries—the membranes coating the abdominal...
The urogenital system and the excretory end of the digestive tract have ventral openings near the posterior end of the body.
au.encarta.msn.com /Peritoneum.html   (111 words)

 Lab Manual - Peritoneal Cavity & Intestines
Remove the peritoneum from the right side of the mesentery to expose and identify the superior mesenteric artery and vein and their branches.
Abdominal CT Abdominal CT Remove the peritoneum from the right side of the mesentery to expose and identify the superior mesenteric artery and vein and their branches.
Strip away the posterior body wall peritoneum, exposing the vessels to the cecum, appendix and ascending colon: ileocolic artery (anterior cecal, appendicular, ileal, and colic branches), right colic artery (ascending and descending branches, anastomoses).
med.umich.edu /lrc/coursepages/M1/anatomy/html/abdomen/peritoneum.html   (843 words)

 A Novel Approach for the Increased Delivery of Pharmaceutical Agents to Peritoneum and Associated Lymph Nodes -- ...
and the lymph nodes draining the peritoneum as the liposomes degrade
I-albumin as markers to estimate lymph drainage of the peritoneal cavity in sheep.
Zakaria E, Simonsen O, Rippe A and Rippe J (1996) Transport of tracer albumin from peritoneum to plasma: role of diaphragmatic, visceral and parietal lymphatics.
jpet.aspetjournals.org /cgi/content/full/303/1/11   (4354 words)

The diaphragmatic peritoneum has a great abundance of stomata, as does the rest of the peritoneum (90).
It has been reported that various substances are reabsorbed from the peritoneum through the stomata (107).
Lymphatic vessels have been studied mainly in the peritoneum of the diaphragm and mesentery (Figure 90), whereas we know less about those of the parietal peritoneum.
www.multi-med.com /pdigifs/pdi20s3/normal07.htm   (1023 words)

 Microscopic Endometriosis, Including Invisible Microscopic Endometriosis   (Site not responding. Last check: 2007-11-04)
They look for what appears to be normal peritoneum, (the Saran Wrap-like lining of the pelvic cavity upon which endometriosis occurs) then they take a biopsy from this normal-appearing peritoneum and look at it under the microscope to see if the glands and stroma which are necessary for the diagnosis of endometriosis are present.
Magnification at laparoscopy is increased as the tip of the laparoscope approaches the peritoneal surface, and I realized that the maximum magnification could be attained by "near-contact laparoscopy," where the tip of the laparoscope was almost in touch with the peritoneal surface, certainly less than one (1) cm away.
The distance of the laparoscope from the pelvic peritoneum was four to five (4-5) cm.
www.endometriosistreatment.org /html/microscopic-endo.html   (2130 words)

 Pyridoxal Phosphate and Hepatocyte Growth Factor Prevent Dialysate-Induced Peritoneal Damage -- Nakamura and Niwa 16 ...
(B) Imidazolone in the peritoneum of a rat that was treated with PD. (C) Imidazolone in the peritoneum of a rat that was treated with PD that contained PLP.
1 and HGF expression in the visceral peritoneum.
(B) VEGF in the peritoneum of a rat that was treated with PD. (C) VEGF in the peritoneum of a rat that was treated with PD that contained PLP.
jasn.asnjournals.org /cgi/content/full/16/1/144   (3897 words)

 eMedicine - Peritoneal Cancer : Article Excerpt by: Daniel Efiom-Ekaha, MD
Initially, the major focus was on peritoneal infections; however, with the subsequent introduction of antibiotics, the focus of gynecological and nongynecological pathologists shifted to neoplastic and nonneoplastic peritoneal conditions.
Pathophysiology: The peritoneum is a serous lining of mesothelial cells with a rich vascular and lymphatic capillary network.
The mesothelium of the peritoneum and the germinal epithelium of the ovary arise from the same embryologic origin; therefore, the peritoneum may retain the multipotentiality of the mĂĽllerian system, allowing the development of a primary carcinoma.
www.emedicine.com /med/byname/peritoneal-cancer.htm   (613 words)

 Peritoneum and Peritoneal Reflections
The best way to try to visualize the peritoneum and its reflections is to examine sagittal and cross sections through the abdomen.
The parietal peritoneum is colored bright blue and the visceral peritoneum is colored magenta.
The word serous denotes that this membrane can produce fluid;slidinghe intestinal tract is highly moveable within the abdominal cavity, there is a need to have some lubrication between the sliding surfaces and this is produced by the peritoneum.
mywebpages.comcast.net /wnor/peritoneum.htm   (756 words)

 Medical Dictionary: Peritoneum - WrongDiagnosis.com
Peritoneum: The tissue that lines the abdominal wall and covers most of the organs in the abdomen.
Peritoneum: a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera
The parietal peritoneum covers the inside of the ABDOMINAL WALL and the visceral peritoneum covers the bowel, the MESENTERY, and certain of the organs.
www.wrongdiagnosis.com /medical/peritoneum.htm   (271 words)

 US of the Peritoneum -- Hanbidge et al. 23 (3): 663 -- RadioGraphics
The peritoneum and peritoneal cavity are commonly involved in
pelvic peritoneum and cavity in female patients, as this is
Irregular hypoechoic or nodular thickening of the peritoneum
radiographics.rsnajnls.org /cgi/content/full/23/3/663   (6402 words)

 LSP1 modulates leukocyte populations in resting and inflamed peritoneum -- Jongstra-Bilen et al. 96 (5): 1827 -- Blood
macrophages is increased by approximately 2-fold in the peritoneum
The increase in percent macrophages is accompanied by a significant diminution of the percent small lymphocytes in the peritoneum
macrophages harvested from the peritoneum of wt (+/+) or Lsp1
www.bloodjournal.org /cgi/content/full/96/5/1827   (6147 words)

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