膣内細菌と乳児腸内細菌との関係に就て
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概要
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With a view to contribute to the study of the flora of intestinal bacteria which is being carried on in this department, the writer has done researches systematically in order to establish the significance of the existence of vaginal bacteria as the better: source of the various intestinal bacteria found in infants. 1. The two kinds of vaginal bacteria, the Doderlein's vaginal bacilli and the enterococci, were proved to have the closest connections with the intestinal bacteria found in infants. 2. The qualities of the Doderlein's bacilli found in the vagina and the B. acidophilus found in the infants' intestine were, under the combination of mother and child, compared and studied from the biological and immunological point of view. Of the specimens taken from 10 cases of delivery, 5 specimens were verified to be of the identical bacterial strain, 4 specimens the different bacterial strain and 1 specimen the similar bacterial strain. 3. The qualities of enterococci found in the vagina and the infant's foeces respectively were compared and studied in like manner. Of the specimens taken from 8 cases of delivery, 6 specimens were found to be of the identical bacterial strain, 1 specimen the different bacterial strain and 1 specimen the similar bacterial strain. 4. The B. acidophilus and the enterococci which were found in the infants' intestine and used in the present experiment had settled there through the .age of newborn and suckling. 5. It was verified that the migration of both of these bacteria from a mother to her infant's intestine was governed principally by the time elapsed from the rupture of bag until birth. When it was less than one hour, the migration of bacteria, especially of the Doderlein's bacilli, did not take place satisfactorily. When, however, it was over one hour, the results improved remarkably; the Doderlein's bacilli migrated in 4 cases out of 5, and the enterococci migrated in 5 cases out of 5.
- 千葉大学の論文
- 1954-03-28
著者
関連論文
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