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用电子显微镜对分泌麝香的器官麝香腺囊进行了年周期的超微结构观察,提出麝香的分泌
形成规律是全年性的,并有泌香阶段性,泌香盛期香腺部腺泡上皮细胞集中分泌大量的“初香液”。在
不同的分泌期,香腺胞泡上皮细胞的超微结构有差异,提示分泌“初香液”的质与量也有差异。香囊部
皮脂腺亦全年分泌皮脂以泌香盛期、交配期尤盛。腺泡上皮细胞分泌的“初香液”和皮脂腺分泌的皮脂
均入香囊腔,经2个月时间转化形成为成熟麝香。揭示了麝香分泌、形成的规律和原理,为多次泌香提
高麝香产量奠定了理论依据。 相似文献
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External counter-pulsation therapy was applied to 12 cases of progressive muscular dystrophy with effects of varying degressive markably effective in 3 cases, effective in 6, improved in 2 and no effect in one. In 11 of 12 cases the atrophic muscles became normal, in 3 of 8 cases the gastrocnemius softened and in 9 of 10 cases creatine phosphokinase greatly reduced. Electron microscopy found that the ultramicrostructure of the diseased muscles greatly improved, the structure and morphology of most mitochondria became normal, and glycogenesis disappeared. 相似文献