Geographical Pathology of Age Changes of Costa Ricans
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概要
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In order to clarify the hereditary and environmental influences on the aging process, histological and micrometrical findings of the liver and its arteries of the Costa Ricans have been compared with those of Hawaii and native Japanese and U. S. Caucasians.In case of the Costa Ricans and U. S. Caucasians, decrease in number of hepatic cells was similar up to 70 years of age, but after 80 years of age the decrease was more marked in the Costa Ricans.The difference in the process of age changes among these four groups suggests that the environmental, especially nutritional, conditions during their childhood and adolescence play an important role.Difference in arteriosclerotic changes in the liver between Costa Ricans and other groups was also discussed in relation to nutritional conditions.
- 社団法人 日本老年医学会の論文