Journal of Okayama Medical Association
Published by Okayama Medical Association

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Full-text articles are available 3 years after publication.

マウスにおけるリンパ性組織の生後発生

尾曽越 文亮 京都大学医学部解剖学教室
大村 守人 岡山大学医学部解剖学教室
今村 英俊 山口大学医学部解剖学教室
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抄録
The processes of pastnatal development of lymphoid tissues in the mouse were studied. It was found that the weight of the thymus reaches its maximum at 5 weeks of age and decrease gradually thereafter, whereas the maximal weights of the mesenteric lymph nodes and spleen are attained at 4 mothes of age, declining thereafer rather rapidly. The secondary nodules of the Flemming type, having germinal centers, were found to develop during the period between 2 and 6 weeks after birth in the mesenteric lymph nodes, as well as in the white pulp of the spleen. In the splenic red pulp, an extensive erythropoiesis was observed to occur during the peried from bith to the 5th weeks after birth. Such erythropoiesis in the red pulp was found to disappear nearly completely during the period between 6 weeks and 4 months of age and to reappear in the ages older than 5 mothes after birth.
ISSN
0030-1558
NCID
AN00032489