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1.
Summary GH stimulates thymic epithelial secreting cells; ACTH inhibits these cells. Thymic involution following hypophysectomy is due to GH and/or corticosteroid deficiency.
Caryométrie des cellules réticulaires thymiques de rat: Influence des hormones somatotrope et corticotrope

Les auteurs remercient le NIAMD pour l'envoi de la GH de rat.  相似文献   

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Summary In vitro, experiments on sulfonamides show that these substances are without action on the red cells, in respect to the formation of Heinz's corpuscles, at the blood concentration generally obtained in therapeutic practice. In vivo, the presence of Heinz's granules was noted after the injection of large sulfanilamide doses in the white mouse, but not after the administration of sulfopyridine and sulfathiazole. Therapeutical doses of all these drugs did not give rise to Heinz's corpuscles in several patients.

Aspirant du Fonds National Belge de la Recherche scientifique.  相似文献   

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Summary A comparative study of human lactotransferrin and transferrin has been made with respect to sugar and amino acid composition. The authors conclude that there are significant differences between both types of glycoproteids, which confirm the specificity of lactotransferrin previously demonstrated by physico-chemical and immunological analysis.

Ce travail a été réalisé grace à une subvention de la Délégation Générale à la Recherche Scientifique et Technique (Contrat 61-FR-170) à laquelle nous adressons nos plus vifs remerciements.

Avec la collaboration technique de MM.F. Decamps etG. Decroix.

Avec la collaboration technique de MadameM. P. Louchez et de MesdemoisellesR. Carpentier etM. T. Picque.  相似文献   

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Summary Thin-layer chromatographic separation and bioassay of arginin-vasotocin and ichtyotocin of hypophyseal and preoptic nucleus extracts from North Sea eels show that the hypophysis is much richer in arginin-vasotocin than in ichtyotocin. Analogous results have been observed in the preoptic nucleus fractions.

Avec la collaboration technique de M. G.Hoeltzel.  相似文献   

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Summary Liquid cultures of different strains ofTreponema hyodysenteriae, when supplemented with sodium ribonucleate show an increase in the hemolytic activity titers while the number of colony forming units remain constant.  相似文献   

7.
Summary Cultivation ofStreptococcus pneumoniae is markedly favored by strict anaerobiosis if compared with relative anaerobiosis.

Remerciements. Je remercie vivement Mme A.M. Schmidt de son assistance technique attentive et de sa collaboration à la rédaction du manuscrit.  相似文献   

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Summary In a previous paper, the authors showed that intraperitoneally administered cystamine protects the vaginal mucosa of rats against local irradiation.Using the same technique (study of radiation-lesions in vaginal smears), they demonstrate that locally administered cystamine is also effective.  相似文献   

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Zusammenfassung In dieser Arbeit ist eine Theorie der Nierenfunktion entwickelt worden, welche eine Wechselbeziehung zwischen den antidiuretischen und natriumretendierenden Hormonen aufzeigt. Durch diese Theorie werden einige bisher nicht verständliche Phänomene der Nierenphysiologie erklärt.  相似文献   

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Summary Study of differential effects of JH-I and JH-II on metamorphosis, pigmentation and oocytes maturation shows evidence for a more specific action of JH-I in controlling metamorphosis.  相似文献   

13.
Résumé Nous montrons que Poincaré, dans son article de 1905, adopte un point de vue actif concernant le groupe des Transformations de Lorentz. Ce point de vue, selon lequel les transformations agissent directement sur les systèmes physiques (sans toucher au système de coordonnées), est naturel pour lui car il est celui des géomètres et aussi implicitement celui de Lorentz dans son traitement mathématique des états correspondants. L'adoption de ce point de vue est même nécessaire pour corriger l'? erreur ? de Lorentz dans sa définition d'un système globalement en mouvement. La contraction des longueurs, comme la dilatation des temps, traditionnellement attachées aux changements de référentiels, trouvent également une explication physique relativiste dans cette approche.

Présenté par J. D. Norton (Manuscrit re?u le 29 juillet 2005) Publication éléctronique le 14 mars 2006  相似文献   

14.
Summary The purification and crystallization of bacterial -amylase are described. It is not identical with pancreas -amylase, but its action on starch is the same.  相似文献   

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Summary After having identified as dioctyl-phthalate (DOP), a plasticizer that comes out with fatty acids of normal immunoglobulins G (IgG) and of those of Kahler's disease, we found out that DOP is preferentially bound to the heavy chains of the IgG and is either missing from myeloma proteins or more abundant in them than in normal ones.  相似文献   

17.
Summary Adjuvant arthritis in rats is inhibited by oxonate and not by allopurinol. Pyrimidine metabolism seems not to be involved in the mechanism of inhibition.
Arthrite à adjuvant chez le rat: Influence de l'oxonate et de l'allopurinol

Cette recherche a été réalisée grâce à un octroi de la Société d'Arthrite du Canada. L'allopurinol a été fourni gracieusement par Burroughs Wellcome (Canada).  相似文献   

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Summary It was established that the treatment of liquid cultures ofAgrobacterium tumefaciens with capsicine (in doses of 0.0025–0.01) in the course of 6 h, causes a more abundant and quicker multiplication of the micro-organism and an increase of its virulence, as measured by the method ofBernaerts andDe Ley.  相似文献   

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Summary Rabbit as well as Mollusks myosin solutions are composed of three electrochemical distinct components:, and myosins, moving with the same speed in both species at definitep H and ionic strength.Turbidity of myosin solutions is connected with the boundary.After the muscle has been stimulated till exhaustion, the component disappears and the component is very markedly decreased or absent.  相似文献   

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