胰岛素对雏鸡心肌发育及其超微结构的影响
Chinese Journal of Veterinary Medicine(2012)
Abstract
选取16只体重相近的健康雏鸡,随机分为两组。试验组每天定时腹腔注射生理剂量胰岛素,对照组腹腔注射等剂量的生理盐水。连续注射10d后称重,剖检取样并制片,通过分析心体比和透射电镜观察雏鸡心肌的超微结构变化,探讨胰岛素对雏鸡心肌发育及其超微结构的影响。结果表明,与对照组相比,试验组雏鸡的体重、心脏重和心体比没有显著变化,但其心肌的线粒体数量和横截面积明显增加。提示生理剂量胰岛素有促进心肌细胞代谢的作用。
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Key words
myocardium,chicken,ultrastructure,insulin
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