{"title":"Age-related changes of the ultrastrucure in the parathyroid gland of the golden hamster.","authors":"Michiya Utsumi, Keiichi Moriguchi, Akiko Kato, Hatsuhiko Maeda, Norikazu Ohno","doi":"10.2535/ofaj.91.37","DOIUrl":null,"url":null,"abstract":"<p><p>We qualitatively and quantitatively investigated the parathyroid glands of golden hamsters aged 6, 12, 18, 24 and 30 months. Percent area of rER in the parathyroid gland in golden hamsters at 24 months of age was significantly higher when compared to 6 and 12 months of age, and the percent area at 30 months of age was significantly higher when compared to 12 months of age, but there were no significant differences between 24 and 30 months of age. Percent area of the Golgi apparatus at 24 and 30 months of age was significantly higher when compared to 6, 12 and 18 months of age. Ultrastructurally, we believe that in the parathyroid gland of the golden hamster, synthesis and release of parathyroid hormone increase gradually from 6 to 24months of age and are maintained from 24 to 30 months of age. </p>","PeriodicalId":19462,"journal":{"name":"Okajimas folia anatomica Japonica","volume":"91 2","pages":"37-43"},"PeriodicalIF":0.0000,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2535/ofaj.91.37","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Okajimas folia anatomica Japonica","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2535/ofaj.91.37","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
We qualitatively and quantitatively investigated the parathyroid glands of golden hamsters aged 6, 12, 18, 24 and 30 months. Percent area of rER in the parathyroid gland in golden hamsters at 24 months of age was significantly higher when compared to 6 and 12 months of age, and the percent area at 30 months of age was significantly higher when compared to 12 months of age, but there were no significant differences between 24 and 30 months of age. Percent area of the Golgi apparatus at 24 and 30 months of age was significantly higher when compared to 6, 12 and 18 months of age. Ultrastructurally, we believe that in the parathyroid gland of the golden hamster, synthesis and release of parathyroid hormone increase gradually from 6 to 24months of age and are maintained from 24 to 30 months of age.
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