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[Cinematographic and morphometric analysis of in vitro behavior of blastocysts of the mouse]. [小鼠囊胚体外行为的电影摄影和形态计量学分析]。
Archives de biologie
Pub Date : 1980-01-01
L Bin, J Mulnard

The behaviour of the mouse blastocyst in vitro was studied by time-lapse cinematography and analysed by morphometry. Three types of behaviour were observed: discontinuous expansion interrupted by rapid contractions and followed or not by hatching; practically continuous expansion followed by hatching. This demonstrates that the pulsatile activity of the blastocyst is not a necessary condition of hatching. Analysis of the rate and delay of hatching in vitro as compared to the conditions in utero is in favour of the existence of a uterine factor insuring partial lysis of the zona pellucida and helping the mechanical action of the blastocyst. Hatching by herniation through a reduced opening of the zona was occasionally observed. The process of in vitro implantation could be followed by cinematography.

用延时摄影法观察小鼠囊胚在体外的行为，并用形态计量学对其进行分析。观察到三种类型的行为:不连续的扩张被快速收缩打断，随后或不孵化;实际上是不断的扩张，接着是孵化。这说明胚泡的脉动活性并不是孵化的必要条件。与子宫内条件相比，体外孵化率和孵化延迟的分析有利于子宫因子的存在，确保透明带部分溶解，并有助于囊胚的机械作用。偶尔观察到通过缩小的椎体带开口疝出孵化。体外植入的过程可以通过摄影进行跟踪。
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引用次数: 0
[Effect of ultraviolet irradiation on infrastructure and mitotic activity of Tetrahymena pyriformis]. 紫外光照射对梨形四膜虫基础结构和有丝分裂活性的影响。
Archives de biologie
Pub Date : 1980-01-01
C Caratero, A Caratero, H Planel

Effects of U.V. irradiation, 3,600 erg/mm2, administrated at a low dose rate, over 75 mn at the very beginning of the cell cycle, were investigated in Tetrahymena pyriformis. Irradiation results in mitotic activity changes, followed either by cell death or cell survival with subsequent normal division activity. Nucleolar fusion, possible intracytoplasmic extrusion of nucleolar aggregates and particular pictures of nucleologenesis are described. Simultaneous cytoplasmic lesions can contribute to the delayed death of Tetrahymena after U.V. irradiation.

对梨状四膜虫进行了低剂量照射(3,600 erg/mm2，在细胞周期开始时超过75 mn)的研究。辐照导致有丝分裂活性改变，随后是细胞死亡或细胞存活，随后是正常的分裂活性。描述了核仁融合，核仁聚集体可能在胞浆内挤压和核发生的特殊图片。同时发生的细胞质损伤可导致紫外线照射后四膜虫的延迟死亡。
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引用次数: 0
[The lysosome: attempt at a historical and evolutionary outline]. [溶酶体:历史和进化概要的尝试]。
Archives de biologie
Pub Date : 1980-01-01
C de Duve
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引用次数: 0
[Works on the endocrine glands appearing in the Archives de Biologie between 1880 and 1931]. [1880年至1931年《生物学档案》中关于内分泌腺的著作]。
Archives de biologie
Pub Date : 1980-01-01
M Herlant
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引用次数: 0
[The organogenesis of vertebrates from 1880 to 1903]. [1880年至1903年脊椎动物的器官发生]。
Archives de biologie
Pub Date : 1980-01-01
J Milaire
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引用次数: 0
[Nucleocytoplasmic interactions during morphogenesis]. [形态发生过程中的核胞质相互作用]。
Archives de biologie
Pub Date : 1980-01-01
J Brachet
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引用次数: 0
Formation of the early vascular network in chick embryo: microscopical aspects. 鸡胚早期维管网的形成:显微方面。
Archives de biologie
Pub Date : 1980-01-01
R Lanot
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引用次数: 0
A histochemical study on the skin of Lepidosiren paradoxa (Fitz). 异鳞蛾皮肤的组织化学研究。
Archives de biologie
Pub Date : 1979-01-01
B R Singh, K P Singh
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引用次数: 0
[Polypeptide hormones of the adenohypophysis]. [腺垂体的多肽激素]。
Archives de biologie
Pub Date : 1979-01-01
M Herlant
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引用次数: 0
Haematohistological responses of the Indian freshwater catfish, Heteropneustes fossilis, to environmental pollution by sewage, fertilisers and insecticides. 印度淡水鲶鱼(Heteropneustes)化石对污水、化肥和杀虫剂污染的血液学反应。
Archives de biologie
Pub Date : 1979-01-01
A S Narain, P N Srivastava
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引用次数: 0
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