What's the difference between jejunal and jejunum?
Jejunal
Definition:
(a.) Pertaining to the jejunum.
Example Sentences:
(1) The authors report 4 new cases of heterotopic pancreas in children with prepyloric, jejunal, Meckel's diverticulum and mesenteric localization.
(2) Eight vagotomy-gastrectomy dogs were studied; 4 had a jejunal fistula, and 4 other dogs without a fistula served as controls.
(3) A state of net secretory fluid flux was induced in isolated jejunal loops in weanling pigs by adding theophylline or cholera toxin to the lumen of the isolated loops.
(4) The mean birth weight and gestational age in jejunal atresia were significantly lower than in ileal atresia.
(5) The effect of insulin on jejunal myoelectric activity was studied in conscious dogs and sheep by injection of insulin and stimulation of insulin release.
(6) The in vitro absorption by rat jejunal and ileal gut sacs of soluble antigen-antibody complexes and of antigen alone was compared.
(7) Two normal variants that could be confused with abnormalities were noted: (a) the featureless appearance of the duodenal bulb may be mistaken for extravasation, and (b) contrastmaterial filling of the proximal jejunal loop at an end-to-end anastomosis with retained invaginated pancreas may be mistaken for intussusception.
(8) Reconstruction of the intrahepatic biliary tree was carried out in all patients using intrahepatic cholangiojejunostomies between common segmental hepatic stomata and a Roux-en-Y jejunal loop.
(9) In purified jejunal brush-border membranes both alkaline phosphatase and sucrase activities are increased at 4 or 7 weeks but especially at 13 weeks of hypertension.
(10) It is concluded that prednisolone depresses cell proliferative rates in rat jejunal mucosa.
(11) Four patients with coeliac disease, who had shown complete mucosal recovery after prolonged treatment with a strict gluten-free diet, volunteered to consume oats in addition to their gluten-free diet for a period of one month and were studied by jejunal biopsy before and after the experimental period.
(12) From a total of 734 children with a blunt abdominal trauma admitted to the hospital in the past 15 years, 21 patients (3%) sustained an isolated injury of the bowel (8 duodenal, 9 jejunal and 4 colon ruptures).
(13) After each meal, measurements were made of the jejunal motility index, the time of reappearance of interdigestive burst activity, and overall motility patterns.
(14) Intrinsic factor-mediated uptake of cobalamin could not be demonstrated using ileal crypt or jejunal villous or crypt cells.
(15) However, for liver, duodenal, and jejunal tissue, DNA concentrations in ADLIB lambs were lower (P less than .05) than in MAINT lambs.
(16) It was therefore decided to attempt re-instillation of jejunal juices directly to the ileum using two 33 CH endotracheal tubes connected with soft chest drain tubing.
(17) The experiments were carried out in dogs and cervical oesophagus replacement was performed using a jejunal loop.
(18) Thus, although the delay in small bowel transit observed during ileal infusion of lipid can be explained by reductions in the rate and the degree of propagation of jejunal contractions, the mechanism varies according to the type of meal.
(19) Polar metabolites were also found in the portal plasma and jejunal wall 20 min after the feeding of [14C]chenodeoxycholate to bile fistula rats.
(20) Jejunal biopsies were taken from two piglets before the experimental infection, from two piglets 12 h after the experimental infection and from five piglets at the end of the experiment, 46 h after infection.
Jejunum
Definition:
(n.) The middle division of the small intestine, between the duodenum and ileum; -- so called because usually found empty after death.
Example Sentences:
(1) Two hours after refeeding rats fasted for 48 h, ODC activity increased 40-fold in mucosa from the intact jejunum and 4-fold in the mucosa of the bypassed segments.
(2) The pathogenic effect of enterotoxogenic E. coli is mainly to be found in the jejunum.
(3) Conclusions derived from these studies are: 1) The model used is a valid means of studying in vivo luminal disappearance of PLP in the rat jejunum; 2) a major portion of the disappearance seems to involve hydrolysis by alkaline phosphatase; 3) a significant portion of this hydrolysis occurs intraluminally; and 4) a second mechanism of PLP disappearance, which is nonphosphatase-mediated, also appears operative and may represent absorption of the intact, phosphorylated vitamin.
(4) Peak serum insulin concentrations and integrated insulin secretion were also significantly greater with perfusion of the duodenum or proximal jejunum.
(5) Of four normal tissues assessed, two (hair follicles and tissues responsible for development of leg contractures) showed no change in radioresponse after treatment with indomethacin, one (hematopoietic tissue) exhibited radioprotection, and one (jejunum) exhibited slight radiosensitization (enhancement factor, 1.12).
(6) Type II had the anastomosis too high on the gastric pouch, type III was due to an obstructing marginal ulcer, and type IV had a pouchlike deformity develop in the upper jejunum at the anastomosis that gradually compressed the outflow tract.
(7) In short-term studies, luminal biotin disappearance from rat ileum was about half that observed in the jejunum, whereas absorption by proximal colon was about 12% of that in the jejunum.
(8) Varicose fibres were found in the myenteric plexuses of the duodenum, jejunum, ileum and colon.
(9) We report a case of a neuroendocrine tumor of the jejunum metastatic to the liver in a 26-year-old woman.
(10) The present study examined these ethanol-induced changes in the jejunum by scanning (SEM) and transmission (TEM) electron microscopy.
(11) Transection alone resulted in a decrease in slow-wave frequency, a shortening of the period of the interdigestive myoelectrical complex (IDMEC) and a prolongation of phase III of the IDMEC in the jejunum distal to the site of transection.
(12) The incorporation rate of [3H]thymidine in the proximal colon and jejunum was not different in control and treated rats, indicating the absence of an effect of EGF on DNA synthesis.
(13) In brush border fractions, specific activities of sucrase and BBFC were significantly greater in the jejunum in continuity than in the control or bypass jejunum.
(14) Guinea pigs and rats drinking cow's milk ad libitum have had the contents of their stomach, duodenum, jejunum and ileum examined for antigenically native, undigested beta-lactoglobulin and casein.
(15) For the amino acids tested--beta-alanine, leucine, lysine, MeAIB, proline--and for D-glucose, the rates of transport at constant concentrations increase from very low values in the proximal jejunum to maximum values in the most distal 30 cm of the ileum.
(16) On the basis of favorable results recently reported in literature with cimetidine in the prevention and therapy of upper gastrointestinal haemorrhages, the Authors have treated a patient with severe haemorrhage from acute gastric ulcer arised after jejunum-ileal massive resection for mesenteric infarction.
(17) If the gastro-duodenal changes occur together with the typical appearances in the jejunum, ileum and colon, then the diagnosis can be made by radiology alone.
(18) Compared to fiber-free, feeding corn bran increased binding in the duodenum 30% and ileum 50% but decreased binding in the jejunum 44%, and feeding guar gum increased binding in the colon 73% but decreased binding in the jejunum 40%.
(19) Lesions consisted of a necrotic-like enteritis that was most severe in the jejunum.
(20) Changes in cell electrolytes (increased Na+ and decreased K+) were observed only in the jejunum of old rats.