(n.) The last, and usually the longest, division of the small intestine; the part between the jejunum and large intestine.
(n.) See Ilium.
Example Sentences:
(1) The use of glucagon in double-contrast studies of the colon has been recommended for various reasons, one of which is to facilitate reflux of barium into the terminal ileum.
(2) Autopsy revealed serious somatic diseases (stenosis of the ileum in two cases and brain tumor in one); their symptoms had been largely overlapped by those of anorexia nervosa.
(3) Angiotensin tachyphylaxis was studied in the isolated guinea pig ileum under isometric conditions.
(4) The effect of p-nitrophenylphosphate (p-NPP) on the release of acetylcholine evoked by drugs and ionic environments known to inhibit Na+, K+-ATPase was studied in isolated cortical slices of rat brain and longitudinal muscle strip of guinea-pig ileum.
(5) The mechanisms underlying the biphasic response (BR) of the circular muscle of the guinea pig ileum (CMGPI) to bradykinin (BK) have been examined.
(6) At a concentration of 10 microM, tetraamine 4 did not affect histamine and 5-hydroxytryptamine receptors of guinea pig ileum or alpha-adrenoreceptors of guinea pig atria whereas it inhibited postsynaptic alpha-adrenoreceptors of rat vas deferens with a -log K value of 5.23 and nicotinic receptors of frog rectus abdominis with an IC50 value of 0.23 microM.
(7) A case of low atresia of the ileum, diagnosed prenatally by real-time ultrasound scanning, is presented.
(8) This site-specific infection of the ileum by reovirus may provide a model for diseases that are restricted to specific sites in the intestine.
(9) Differences in sensitivity to phenoxybenzamine and pA2 values suggest the existence of at least two and possibly three neurokinin receptors in the guinea-pig ileum.
(10) 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.
(11) Varicose fibres were found in the myenteric plexuses of the duodenum, jejunum, ileum and colon.
(12) In vitro tests with isolated trachea or ileum of guinea pigs show that flupirtine possesses no or very weak antagonism against histamine-induced spasms.
(13) The serum from animals which had received injections into the proximal small intestine had high radioactivity and one peak at 7S; the serum from animals which had received injections into the ileum had low radioactivity and no activity in the 7S region.
(14) A study was made of the innervation of the longitudinal muscle of the toad ileum with particular emphasis on the splanchnic innervation by non-adrenergic, non-cholinergic (NANC) nerves.
(15) Production of F41 in vivo was demonstrated by immunofluorescence assay of sections of ileum and by seroconversion against F41 antigen by pigs challenged with F41+ and K99+ F41+ ETEC strains.
(16) The virus has an affinity for the alimentary tract, especially the ileum and right colon.
(17) The maternal venous blood concentration of atropine, determined by bioassay on guinea pig ileum, decreased rapidly in the first 3--5 min and very slowly therafter.
(18) From these results, it is concluded that TM-906 produces, depending on the contractile activity of the preparations, a potentiation or an inhibition of the spontaneous contraction of duodenum and ileum in both guinea pigs and rabbits and that the potentiation by TM-906 is more pronounced in the ileum than in the duodenum.
(19) Biological activity has been determined on the rabbit pulmonary artery (RPA) and hamster trachea (HT) preparations, chosen as representative of the NK-2A and NK-2B receptor subtypes, respectively, and on the rabbit bronchus (RB), guinea-pig bronchus (GPB), human urinary bladder (HuUB), human ileum (HuI) and human colon (HuC) preparations to verify the previously described NK-2A character of these tissues.
(20) Affected lymph nodes from 3 patients with Crohn's disease were homogenised and inoculated intramurally into the distal ileum of five piglets.
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.