Publication: Effects of progesterone on the ultrastructure
of the golden hamster parathyroid gland
Authors
Emura, S. ; Hayakawa, D. ; Yamahira, T. ; Terasawa, K. ; Tamada, A. ; Arakawa, M. ; Isono, H. ; Shoumura, S.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
The ultrastructure of the parathyroid
glands in golden hamsters after administration of
progesterone was investigated. In the parathyroid glands
of the female hamsters after administration of
progesterone, the mean serum calcium concentration
was significantly higher when compared to that of the
control hamsters. In the male experimental hamsters, the
percentage area occupied by Golgi complexes and lipid
droplets was significantly increased when compared to
that of the control hamsters, respectively. In the female
hamsters after administration of progesterone, the
percentage area occupied by large vacuolar bodies was
significantly decreased when compared to that of the
control hamsters. In the male and female experimental
hamsters, the mean number of secretory granules per
100 pm2 of cytoplasm showed a significant increase
compared with that of the male and female control
hamsters, respectively. These findings suggest that the
secretory activity of the parathyroid glands may be
stimulated in response to hypocalcemia induced by
progesterone.
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Citation
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