(v. t.) To lap or lay in plaits or folds; to lay one part over another part of; to double; as, to fold cloth; to fold a letter.
(v. t.) To double or lay together, as the arms or the hands; as, he folds his arms in despair.
(v. t.) To inclose within folds or plaitings; to envelop; to infold; to clasp; to embrace.
(v. t.) To cover or wrap up; to conceal.
(v. i.) To become folded, plaited, or doubled; to close over another of the same kind; to double together; as, the leaves of the door fold.
(v.) A doubling,esp. of any flexible substance; a part laid over on another part; a plait; a plication.
(v.) Times or repetitions; -- used with numerals, chiefly in composition, to denote multiplication or increase in a geometrical ratio, the doubling, tripling, etc., of anything; as, fourfold, four times, increased in a quadruple ratio, multiplied by four.
(v.) That which is folded together, or which infolds or envelops; embrace.
(n.) An inclosure for sheep; a sheep pen.
(n.) A flock of sheep; figuratively, the Church or a church; as, Christ's fold.
(n.) A boundary; a limit.
(v. t.) To confine in a fold, as sheep.
(v. i.) To confine sheep in a fold.
Example Sentences:
(1) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(2) 5-Azacytidine (I) stability was increased approximately 10-fold over its stability in water or lactated Ringer injection by the addition of excess sodium bisulfite and the maintenance of pH approximately 2.5.
(3) Radioligand binding studies revealed the presence of a single class of high-affinity (Kd = 2-6 X 10(-10) M) binding sites for ET-1 in both cells, although the maximal binding capacity of cardiac receptor was about 6- to 12-fold greater than that of vascular receptor.
(4) The enzyme was solubilized by Triton X-100 and purified approximately 480-fold by gel filtration and affinity chromatography on alanine methyl ketone-AH-Sepharose 4B.
(5) The DNA untwisting enzyme has been purified approximately 300-fold from rat liver nuclei.
(6) IP3 increased 1.7-fold and IP2 1.6-fold after 20 and 40 s, respectively.
(7) Short incubations with heparin (5 min) caused a release of the enzyme into the media, while longer incubations caused a 2-8-fold increase in net lipoprotein lipase secretion which was maximal after 2-16 h depending on cell type, and persisted for 24 h. The effect of heparin was dose-dependent and specific (it was not duplicated by other glycosaminoglycans).
(8) The following conclusions emerge: (i) when the 3' or the 3' penultimate base of the oligonucleotide mismatched an allele, no amplification product could be detected; (ii) when the mismatches were 3 and 4 bases from the 3' end of the primer, differential amplification was still observed, but only at certain concentrations of magnesium chloride; (iii) the mismatched allele can be detected in the presence of a 40-fold excess of the matched allele; (iv) primers as short as 13 nucleotides were effective; and (v) the specificity of the amplification could be overwhelmed by greatly increasing the concentration of target DNA.
(9) Epicanthal folds were present in 46%, mongoloid slanting of the lids in 72% of cases.
(10) The estimated DNA compaction ratio (approximately 3-fold) is consistent with a significant degree of nucleosome unfolding in the hyperstimulated BR genes.
(11) 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.
(12) Transfection of the treated DNA into SOS-induced spheroplasts results in an increase in mutagenesis as great as 50-fold.
(13) ACh released from the vesicular fraction was about 100-fold more than could be accounted for by miniature end-plate potentials; possible causes of this overestimate are discussed.
(14) In strains completely deleted for galR, the gene which encodes the Gal repressor, the operon is derepressed by only 10-fold without an inducer.
(15) The amount of water, creatinine, electrolytes, proteins, and enzymes were higher during the day (up to three fold, p always less than 0.05), while equal amounts of amino acids were excreted in the day and the night period.
(16) TNBS reacts to an extremely small extend with hemoglobin over the concentration range 0.4 to 4 mM whereas FDNB reacts with hemoglobin to a very large extent (50 fold more than TNBS).
(17) Rates of PC in vitro metabolism by liver and kidney cytosolic cysteine conjugate beta-lyases (beta-lyases) were similar, but metabolism by renal mitochondrial beta-lyase occurred at a 3-fold higher rate than the rate obtained with hepatic mitochondrial beta-lyase.
(18) Dietary factors affect intestinal P450s markedly--iron restriction rapidly decreased intestinal P450 to beneath detectable values; selenium deficiency acted similarly but was less effective; Brussels sprouts increased intestinal AHH activity 9.8-fold, ECOD activity 3.2-fold, and P450 1.9-fold; fried meat and dietary fat significantly increased intestinal EROD activity; a vitamin A-deficient diet increased, and a vitamin A-rich diet decreased intestinal P450 activities; and excess cholesterol in the diet increased intestinal P450 activity.
(19) On the other hand, if we correct for the population of HMM with degraded light chain 2, the difference in the binding constants in the presence and absence of Ca2+ may be as great as 5-fold.
(20) The gene, which is located at chromosome XIII, is transcribed as a mRNA of about 2.7 kilobases, and the amount of message has been found to increase 3- to 4-fold during the culture.
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.