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鹅胰液的分泌及其调节研究

DOI: 10.7685/j.issn.1000-2030.2000.03.017, PP. 64-66

Keywords: ,胰液,分泌,调节,胰酶,活性

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Abstract:

选成年杂交(川白×太湖)鹅8只,用胰腺―十二指肠长久性回流瘘管手术,在不限制鹅运动和采食情况下收集纯净的胰液。实验期饲以大麦(占45%)基础日粮,白天(800~2000)给食,夜间(2000~800)禁食,自由饮水。实验期连续收集胰液。结果表明鹅的胰液呈不规则的连续性分泌。其分泌速率白天为(30759±2940)μL/h,夜间为(10000±2245)μL/h;分泌量白天占7366%,夜间占2634%。皮下注射硫酸阿托品05mg/只,则分泌速率分别降至对照期的2400%(白天)和2877%(夜间)(P005);而胰液蛋白酶、脂肪酶和淀粉酶的活力显著下降(P<001)。表明丙谷胺通过阻断CCK受体而影响胰酶的分泌,但对胰液分泌量影响不大

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