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From Longman Dictionary of Contemporary English
Related topics: Biology
secretionse‧cre‧tion /sɪˈkriːʃən/ noun  1 [countable, uncountable]HB a substance, usually liquid, produced by part of a plant or animal These secretions are used by the caterpillar as a defence.2 [uncountable]HB the production of this substance the secretion of hormones by the pituitary gland
Examples from the Corpus
secretionIn man and other species, there is accumulating evidence that gastrin stimulates acid secretion by releasing histamine.Particular attention must be paid to gastrointestinal drainage tubes since pancreatic and small bowel secretions are rich in bicarbonate.Non-parallel enzyme secretion has been shown in patients with normal pancreatic function under certain stimulatory conditions.The disorder is caused by excessive secretion of certain hormones.There are conflicting reports of spontaneous and stimulated growth hormone secretion in childhood Crohn's disease.The principal immunoglobulin found in secretions is IgA with only trace amounts of IgG present.Then the hunter does not waste its time on something it can not eat, and the hunted saves its secretions.This could also explain the difference in biliary lipid secretion rate between the two groups.The difference between mean rates of secretion of acid and pepsin in control subjects and patients with duodenal ulcer is about 190%.
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