What's the difference between omentum and peritoneum?

Omentum


Definition:

  • (n.) A free fold of the peritoneum, or one serving to connect viscera, support blood vessels, etc.; an epiploon.

Example Sentences:

  • (1) Although there was a considerable overlap in the values of acoustic nonlinearity of different body fats, in general their values followed the order: mesenteric fat greater than subcutaneous fat greater than omentum fat greater than breast fat.
  • (2) Also numerous small knots on the small intestine, peritoneum, and omentum, as well as a considerable amount of ascites were observed.
  • (3) certainly in site at the beginning of pregnancy and with asymptomatic perforation of the uterus during the pregnancy with incorporation of the device by the omentum.
  • (4) The omentum acts as sheath that reinforces the anastomosis.
  • (5) Endolymphatic administration of kanamycin provided an increase in its activity in the inflamed tissues of the peritoneum and omentum and markedly prolonged its halflife as compared to those after the routine intramuscular administration of the drug.
  • (6) Omentum transposition promoted rapid healing with a low mortality rate.
  • (7) Splenic conservation by suture with or without packing with omentum or oxidized cellulose was successful in 27 out of 37 attempts.
  • (8) When 15 small sections were transplanted to the omentum in a "necklace" fashion, good uptake and preservation were seen after six months.
  • (9) This complication may be prevented by interposing the omentum between the liver and the duodenum at the time of any operation on the biliary system and the duodenum.
  • (10) The results of treatment of 12 children with primary acute diseases of the greater omentum, in whom preoperative diagnosis is difficult, have been analysed.
  • (11) The IUD had migrated to the cul-desac of Douglas and the omentum, respectively, and surgery was uneventful.
  • (12) Therefore the omentum leads the traffic of peritoneal macrophages.
  • (13) The autografts were divided into 4 groups as follows; no preservation (control) group (n = 4), graft preserved in Collins solution (n = 11), graft preserved in phosphate buffered extracellular solution (Ep4) (n = 11), and graft preserved in physiological saline solution (n = 11) for 24 or 48 hours at 4 degrees C. After preservation, laparotomy was performed on the animals and the tracheal autograft was wrapped in the distal portion of the omentum.
  • (14) The effectiveness of extracts was measured by the growth activity of bovine aortic endothelial cell incubated for 6 days with various omentum extracts.
  • (15) Since 1984, eight pelvic ependymomas have been reported that have originated in the ovary, broad ligament, mesovarium, and omentum.
  • (16) This problem is inherent to the design of catheters using sideports for outflow and is enhanced by the tenacity of the omentum in this population in walling off foreign bodies.
  • (17) Computed tomography demonstrated prominent linear soft tissue densities, an increase in CT number of the involved greater omentum, and posterior displacement of the small bowel.
  • (18) In former investigations the author described the use of omentum majus in building microsurgical compound island flaps employing supporting tissue.
  • (19) Fischer 344 rats and a transplantable carcinogen-induced rat colon cancer were used to test: (1) whether the omentum is a unique site of intra-abdominal colon tumor implantation which contributes to S.B.O.
  • (20) In five dogs (group C) the omentum with its own vascular supply was completely wrapped around the graft.

Peritoneum


Definition:

  • (n.) The smooth serous membrane which lines the cavity of the abdomen, or the whole body cavity when there is no diaphragm, and, turning back, surrounds the viscera, forming a closed, or nearly closed, sac.

Example Sentences:

  • (1) This implies that these proteins are quantitatively absorbed from the peritoneum without undergoing modifications.
  • (2) Immunohistochemical insulin proofs were positive in the peritoneum over a period of 3 months and in the liver up to one year after implantation.
  • (3) The distribution of cells at the stage of DNA synthesis and mitosis in all the parietal peritoneum speaks of the absence of special proliferation zones.
  • (4) Various parts of the peritoneum were equipotential with venous blood.
  • (5) In 25 rabbits, endometrium from the right uterine horn was transplanted onto the peritoneum (Experimental group = Group E).
  • (6) First, CAPD exposes essentially continuously the peritoneum to peritoneal dialysis solutions.
  • (7) Bacterial infections of the peritoneum may be primary (pneumococcal peritonitis of childhood).
  • (8) On day 5 of enalapril treatment, an osmotic minipump was implanted in the peritoneum that caused sustained release of ANG II (200 ng.kg-1.min-1) or vehicle (bovine serum albumin) for 3 or 7 days.
  • (9) This report is the first published demonstration of the existence of fenestrated capillaries in human parietal and rabbit diaphragmatic peritoneum.
  • (10) Also numerous small knots on the small intestine, peritoneum, and omentum, as well as a considerable amount of ascites were observed.
  • (11) In the authors' four cases the problems were solved anatomically and functionally by suturing only the mesenterium of the terminal ileum to the edge of the previously cut peritoneum.
  • (12) Polypropylene mesh is then passed down the laparoscope, placed into the defect to obliterate the space, and the edges of the peritoneum are then reapproximated.
  • (13) The injection in the peritoneum of Limulus amebocyte lysate at the same time of inoculation of lethal dose of E. coli LPS is able to protect the rats against endotoxin lethality.
  • (14) A hernial sac originating from the peritoneum near the oesophagogastric junction contained the midgut which had herniated through the oesophageal hiatus.
  • (15) Although no changes could be detected in the conventional B lymphocyte population, the peritoneum was replete with B cells characteristic of the Ly-1 lineage.
  • (16) They are then filled with 5.104 macrophages obtained from the peritoneum of normal mice suspended in 100 mul of medium 199 supplemented with bovine serum albumin.
  • (17) Endolymphatic administration of kanamycin provided an increase in its activity in the inflamed tissues of the peritoneum and omentum and markedly prolonged its halflife as compared to those after the routine intramuscular administration of the drug.
  • (18) A new culdocentesis system is presented, based on vacuum fixation of the posterior vaginal wall together with Douglas peritoneum in a small vacuum cup, enabling a controllable central perpendicular puncture with a special catheter-needle unit.
  • (19) The sites of ENM included lung and thoracic lymph nodes (2), pleura and peritoneum (2), and liver (1).
  • (20) The reservoir is placed outside the peritoneum, in a pre-peritoneal position, in order to allow its fixation by adhesions to the abdominal wall.