单词 | secretion |
释义 | secretionse‧cre‧tion /sɪˈkriːʃən/ noun Word Origin WORD ORIGINsecretion ExamplesOrigin: 1600-1700 French sécrétion, from Latin secretio ‘separation’, from secretus; ➔ SECRET1EXAMPLES FROM OTHER DICTIONARIES word sets
WORD SETS► Biology Collocationsaerobic, adjectiveafterbirth, nounalgae, nounalimentary canal, nounamber, nounameba, nounamino acid, nounamoeba, nounanaconda, nounanaerobic, adjectiveandrogynous, adjectiveantibody, nounantigen, nounantitoxin, nounappendage, nounarm, nounarmour, nounasexual, adjectiveassimilation, nounatrophy, verbaviary, nounbacteria, nounbacteriology, nounbarnacle, nounbile, nounbinocular vision, nounbio-, prefixbiochemistry, nounbiodegradable, adjectivebiodiversity, nounbiohazard, nounbiological, adjectivebiological clock, nounbiology, nounbiomass, nounbiome, nounbiosphere, nounblind, nounbrain, nounbreathe, verbbreed, verbbreed, nounbreeding, nounbristle, nounbulb, nouncapsule, nouncarbohydrate, nouncarbon dioxide, nouncarnivore, nouncell, nouncellular, adjectivecellulose, nouncentral nervous system, nouncervical, adjectivecholesterol, nounchromosome, nouncirculation, nouncirculatory, adjectiveclass, nounclone, nouncold-blooded, adjectiveconceive, verbconch, nounconnective tissue, nouncopulate, verbcoral reef, nouncornea, nouncoronary, adjectivecorpuscle, nouncortex, nouncortisone, nouncowrie, nouncrab, nouncrawfish, nouncrayfish, nouncreature, nouncross, verbcrossbreed, nounculture, nouncytoplasm, noundecay, verbdecay, noundecompose, verbdefecate, verbdenizen, noundextrose, noundiaphragm, noundigest, verbdigestion, noundigestive, adjectiveDNA, noundorsal, adjectivedry rot, nounduct, noundwarf, noundwarf, adjectiveecological, adjectiveecology, nounecosystem, nounegg, nounejaculate, verbembryo, nounembryonic, adjectiveenzyme, nounepidermis, nounevolution, nounevolutionary, adjectiveexcrement, nounexcrescence, nounexcrete, verbexcretion, nounexhale, verbexoskeleton, nounextinction, nounfaeces, nounfamily, nounfang, nounfat, nounfatty acid, nounfauna, nounfeces, nounfeed, verbfemale, adjectivefemale, nounferment, verbferment, nounfertile, adjectivefertility, nounfertilize, verbfission, nounflank, nounflatulence, nounflesh, nounfleshy, adjectiveflightless, adjectiveflora, nounfoetal, adjectivefoetus, nounfoliage, nounfossil, nounfreak, nounfreshwater, adjectivefructose, noungamete, nounganglion, noungene, noungene pool, noungenera, genetic, adjectivegenetic code, noungenetic engineering, noungenetic fingerprinting, noungenetics, noungenome, noungenus, noungestation, noungland, nounglandular, adjectiveglucose, noungluten, noungonad, noungrass snake, noungrow, verbgrowth, nounhabitat, nounhaemoglobin, nounhearing, nounheart, nounhemisphere, nounherbivore, nounhereditary, adjectiveheredity, nounhermaphrodite, nounhibernate, verbhistamine, nounhoming, adjectivehormone, nounhost, nounimpregnate, verbimpulse, nounincubate, verbindigenous, adjectiveinfected, adjectiveinfertile, adjectiveinfest, verbingest, verbinhale, verbinseminate, verbinsensate, adjectiveinsulin, nounintegument, nounintercourse, nouninterferon, nounintestine, nouninvertebrate, nouninvoluntary, adjectiveiris, nounjaw, nounjelly, nounkidney, nounkrill, nounlactate, verblactation, nounlactic acid, nounleech, nounleg, nounlesser, adjectivelichen, nounlife, nounlife cycle, nounlife form, nounligament, nounlimb, nounlimpet, nounlipid, nounliver, nounliving fossil, nounlocomotion, nounlymph, nounlymph node, nounmale, adjectivemale, nounmammal, nounmandible, nounmate, nounmate, verbmembrane, nounmetabolism, nounmetabolize, verbmetamorphosis, nounmicrobe, nounmicrobiology, nounmicroorganism, nounmicroscopic, adjectivemigrate, verbmigratory, adjectivemiscarriage, nounmolar, nounmorphology, nounmotor, adjectivemould, nounmouth, nounmucous membrane, nounmucus, nounmulticellular, adjectivemuscle, nounmuscular, adjectivemutant, nounmutate, verbmutation, nounnatural history, nounnatural selection, nounnature, nounneck, nounnectar, nounnerve, nounnervous, adjectivenervous system, nounneural, adjectiveneuro-, prefixneurology, nounnode, nounnose, nounnostril, nounnucleic acid, nounnucleus, nounnutrient, nounnutriment, nounoesophagus, nounoestrogen, nounolfactory, adjectiveoptic, adjectiveorgan, nounorganic, adjectiveorganic chemistry, nounorganism, nounorifice, nounossify, verbosteo-, prefixoutgrowth, nounova, ovary, nounoverwinter, verboviduct, nounoviparous, adjectiveovulate, verbovum, nounparasite, nounpathogen, nounpedigree, nounpelvic, adjectivepelvis, nounpenile, adjectivepenis, nounpepsin, nounperiod, nounperspiration, nounperspire, verbphotosynthesis, nounphylum, nounpigment, nounpigmentation, nounplankton, nounplasma, nounpollinate, verbpostnatal, adjectivepregnancy, nounpregnant, adjectivepremature, adjectiveprenatal, adjectiveproduct, nounproliferation, nounpropagate, verbprotein, nounprotoplasm, nounprotozoan, nounpuberty, nounpulmonary, adjectivepulp, nounpulsation, nounputrefy, verbputrid, adjectivered blood cell, nounregurgitate, verbrenal, adjectivereproduce, verbreproduction, nounreproductive, adjectiverespiration, nounrespiratory, adjectiverespire, verbretina, nounroot, nounrot, verbrot, nounruff, nounsac, nounsaliva, nounsalivary gland, nounsalivate, verbsaltwater, adjectivescale, nounscallop, nounscaly, adjectivesebaceous, adjectivesecrete, verbsecretion, nounsemen, nounsense organ, nounsensory, adjectiveserum, nounsex, nounsex, verbsexless, adjectivesexual intercourse, nounsheath, nounshell, nounsibling, nounskeletal, adjectiveskeleton, nounskin, nounskull, nounspasm, nounspasmodic, adjectivespecies, nounspecimen, nounsperm, nounspiderweb, nounspinal cord, nounspine, nounspineless, adjectivestarch, nounstem cell, nounstimulate, verbstimulus, nounstrain, nounsubject, nounsubspecies, nounsucker, nounsucrose, nounsweat, verbsweat, nounsweat gland, nounsymbiosis, nounsystemic, adjectivetail, nountaxonomy, nounteeth, testosterone, nountest-tube baby, nountissue, nountrachea, nountube, noununicellular, adjectiveurethra, nounuric, adjectiveurinate, verburine, nounvariety, nounvector, nounvein, nounvenom, nounvenomous, adjectiveventricle, nounvertebra, nounvertebrate, nounvivisection, nounwarm-blooded, adjectivewean, verbwildlife, nounwindpipe, nounyolk, noun COLLOCATIONS FROM THE CORPUSADJECTIVE► basal 1[countable, uncountable] a substance, usually liquid, produced by part of a plant or animal: These secretions are used by the caterpillar as a defence.2[uncountable] the production of this substance: the secretion of hormones by the pituitary gland· The fall in basal acid secretion found may not necessarily be due to the eradication of H pylori.· There has been debate as to whether this should be calculated with or without subtraction of basal acid secretion.· We have also shown for the first time such treatment also decreases basal gastric acid secretion significantly.· Cyclical changes in H pylori infection may cause the variations in basal acid secretion that are seen in duodenal ulcer disease. ► fluid· The quantitative effects of the drugs were related to the rate of fluid secretion or absorption.· Both drugs significantly reduced fluid secretion or increased fluid absorption.· In Brunssons's experiments, hexamethonium often turned fluid secretion into fluid absorption.· The effect was more pronounced the lower the rate of fluid absorption or the higher the rate of fluid secretion. ► gastric· Cisapride does not affect gastric secretion either in animals or man.· This increase in gastric secretion showed a positive correlation to the total number of cigarettes smoked.· Children who are malnourished with chronic diarrhoea have defective gastric acid secretion.· Over the years there have been many studies of the effects of smoking on gastric secretion.· H pylori has variable effects on serum gastrin concentrations and gastric acid secretion.· Alcoholic beverages with low ethanol content stimulate gastric acid secretion by additional mechanisms.· For gastric acid secretion, basal serum gastrin was considered in addition to these three variables.· This improvement results from more profound inhibition of gastric acid secretion. ► increased· The relative importance of increased secretion and/or impaired catabolism of circulating triglyceride in causing diabetic lipaemia has yet to be determined.· Thus H pylori infection combined with active ulceration may cause the increased basal acid secretion seen in duodenal ulcer disease. ► net· In eight of 26 animals a net fluid secretion was seen on days 6-9.· In the whole gut of course, the reduction of this net sodium secretion by colonic salvage should be considered. ► pancreatic· Pancreatic pseudocysts are localised collections of pancreatic secretions occurring as a result of pancreatic inflammation and ductal disruption.· Neuropeptide Y has also been reported to increase substantially gastric acid and pancreatic exocrine secretion.· In the case of pancreatic secretion, stimulation of bicarbonate but not protein output was observed.· These fluctuations probably result from interaction between phasic gastroduodenal motility and intermittent pancreatic secretion of neutralising bicarbonate.· Various animal studies have shown inhibition of pancreatic enzyme secretion by pancreatic proteases in the duodenum.· Both are potent known inhibitors of pancreatic secretion. ► stimulated· Intrajejunal administration of beer also stimulated acid secretion, although the response was less than that to intragastrically infused beet.· There are conflicting reports of spontaneous and stimulated growth hormone secretion in childhood Crohn's disease.· The failure of studies to show this clearly is probably related to the technical difficulties involved in measuring meal stimulated acid secretion.· It also shows that the infection increases both basal and stimulated acid secretion. NOUN► acid· However, acid secretion in old subjects without atrophy was not different to that in young subjects, irrespective of H pylori status.· In man and other species, there is accumulating evidence that gastrin stimulates acid secretion by releasing histamine.· Using multiple linear regression analysis, gastritis with atrophy was the only factor that had an independent negative effect on acid secretion.· Population studies of gastric acid secretion in children at risk from undernutrition are clearly not possible using conventional intubation techniques.· Recent work has focused on the gastrin acid secretion feedback loop and identified a number of potential pathogenetic pathways.· The belief that acid secretion declines with advancing age has been widespread.· H pylori has variable effects on serum gastrin concentrations and gastric acid secretion.· The gastric mucosa resists the corrosive effects of peptic hydrochloric acid secretion and noxious extrinsic agents. ► bicarbonate· Experiments were therefore designed to try to show the existence of bicarbonate secretion by the normal human oesophagus. VERB► induce· In experimental animals cholera toxin induces marked secretion of fluid and electrolytes. ► inhibit· Substances with high osmolarity have been found to inhibit acid secretion. ► show· Studies in animals that live in hierarchies have shown that secretion of serotonin responds to changes in status.· Almost all studies show that acid secretion remains at the same rate.· This would show that acid secretion is of superior importance compated with H pylori. ► stimulate· The exact reason why beverages with higher ethanol content do not stimulate acid secretion is also not known.· In man and other species, there is accumulating evidence that gastrin stimulates acid secretion by releasing histamine.· Beverages with higher alcohol content such as whisky and cognac did not stimulate acid secretion.· However, a decline in pentagastrin stimulated gastric acid secretion with age was seen in those subjects with superficial gastritis also.· After premedication with atropine intravenous ethanol failed to stimulate acid secretion.· Further characterisation of the non-ethanolic component of beer and wine that stimulates acid and gastrin secretion needs to be carried out.· This is because the very low concentrations of these substances present in beer failed to stimulate acid secretion.· Early studies by Cooke showed that ethanol in concentrations of 1% to 20% did not stimulate gastric acid secretion. |
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