What's the difference between flexure and fold?

Flexure


Definition:

  • (n.) The act of flexing or bending; a turning or curving; flexion; hence, obsequious bowing or bending.
  • (n.) A turn; a bend; a fold; a curve.
  • (n.) The last joint, or bend, of the wing of a bird.
  • (n.) The small distortion of an astronomical instrument caused by the weight of its parts; the amount to be added or substracted from the observed readings of the instrument to correct them for this distortion.

Example Sentences:

  • (1) This ranged from heads inclined at a slight angle to the tail through to complete flexure.
  • (2) This report presents a patient with a tumor of the splenic flexure invading the diaphragm, greater curvature of the stomach, splenic hilum, and tail of the pancreas.
  • (3) These results confirm the success of sphincter-saving anterior resection combined with total mesorectal excision, routine full mobilization of the splenic flexure and cancercidal lavage of the distal rectum in the treatment of low rectal carcinomas; morbidity, local recurrence and survival are not compromised.
  • (4) In 1 case epidermoid epithelial metaplasia were found in the splenic flexure and in the rectum.
  • (5) Surgery of the perforated caecum and ampulla recti was carried out during the first 24 hours, and that of the sigmoid flexure on the seventh day.
  • (6) Flexural and torsional testing revealed that the use of an inclined lag screw or a prebent plate increases stability compared to the one achieved with an exactly contoured plate alone.
  • (7) Peritoneal signs warranted early laparotomy, which revealed coagulation necrosis of the anus, rectum, and colon up to the hepatic flexure without any free perforation.
  • (8) A llama, a miniature horse, and a miniature donkey with severe bilateral congenital flexural deformities of the metacarpophalangeal and metatarsophalangeal joints were treated successfully by arthrodesis with dynamic compression plating or external skeletal fixation.
  • (9) A suubsequent elective segmental distal transverse and descending colectomy revealed chronic ulcerative colitis; localized marked inflammatory giant pseudopolyp formation near the splenic flexure was responsible for the bleeding.
  • (10) In all the animals, enterokinase values were unequivocally the highest in the duodenal mucosa; in the other intestinal segments it displayed a marked aboral decrease, so that we found about 30% of duodenal activity in the jejunum, trace amounts in the ileum and zero values in the caecum and the sigmoid flexure.
  • (11) A study of the biaxial flexure strengths of polished vs. glazed specimens is needed to verify that current laboratory methods are appropriate for planned fatigue studies.
  • (12) The development of ciliary folds begins at the stage 45 by the flexure of the external layer in the ciliary zone.
  • (13) The lesions are predominant in the transverse colon and at the splenic flexure.
  • (14) The ceramic veneering had worse results only in the flexural strength test compared with the two bonding systems.
  • (15) The creep rates of six alloys for porcelain-fused-to-metal (PFM) restorations were determined as a function of flexural stress and temperature.
  • (16) This study tested the load transfer effectiveness of cast-joined structures under flexural loading conditions.
  • (17) The normal duodenojejunal flexure was found to be readily displaceable in neonates and could be pushed to the right of the spine in over two-thirds of patients less than 4 months old.
  • (18) Radical tumour resection requires complete mobilisation of the left colonic flexure, high ligature of the inferior mesenteric artery, and--in cases of extraperitoneal tumours--dissection along the fascias.
  • (19) The hernia contained the terminal ileum (20 cm) with caecum, part of the appendix, the ascending colon, hepatic flexure and the first third of the transverse colon.
  • (20) ISO or HSO were created 40 cm from the pelvic flexure and maintained for 60 mins under general anaesthesia.

Fold


Definition:

  • (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.