Ontogeny and ultrastructure of somatostatin and calcitonin cells in the thyroid gland of the rat |
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| Authors: | J Alumets R Håkanson G Lundqvist Dr F Sundler J Thorell |
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| Institution: | (1) Departments of Histology and Pharmacology, University of Lund, Lund;(2) Department of Clinical Chemistry, Academic Hospital, University of Uppsala, Uppsala;(3) Department of Nuclear Medicine, University of Lund at Malmö General Hospital, Malmö, Sweden;(4) Department of Histology, Biskopsgatan, 5, S-223 62 Lund, Sweden |
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| Abstract: | Summary Calcitonin cells are relatively numerous in the thyroid gland of the rat. In contrast, somatostatin cells are very scarce except at the time of birth and a few days thereafter, when they are conspicuously numerous. Somatostatin cells of the thyroid gland, which are ultrastructurally similar to somatostatin cells in gut and pancreas, also contain immunoreactive calcitonin. It is not clear whether somatostatin cells in the rat thyroid gland produce calcitonin or accumulate calcitonin from the environment. |
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| Keywords: | Somatostatin cells Calcitonin cells Ontogeny Ultrastructure Thyroid (rat) |
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