Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology · 1989
[A quantitative morphologic study on age changes in the histologic structures of the human submandibular gland].
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Dong S Z
Аннотация
One hundred and nine samples of human submandibular glands were studied by quantitative morphometric methods. All of the samples in this study were removed during operations. According to the age distribution of patients, 109 samples were divided into the young (less than 25 years), the adult (25-44 years), the elderly (45-59 years) and the aged (greater than or equal to 60 years). The results had shown that the amount of the proportional volume of parenchymal cells, comparing with that of the young, decreased 23 percent in the aged, the proportional volume of acini tissue decreased 31.2%, the proportional volume of the fat and fibrous tissues increased 2.0 and 0.8 times, respectively. The relationship between aging and changes of the proportional volume of parenchymal cells, duct cells, fat and fibrous tissues in human submandibular glands were discussed.