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Immunocytochemical Study of the Ultimobranchial Tubule in Wistar Rats
Author(s) -
Conde E.,
Moreno A. M.,
MartinLacave I.,
Galera A. Fernandez y H.
Publication year - 1992
Publication title -
anatomia, histologia, embryologia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.34
H-Index - 35
eISSN - 1439-0264
pISSN - 0340-2096
DOI - 10.1111/j.1439-0264.1992.tb00325.x
Subject(s) - immunohistochemistry , tubule , follicular phase , mitosis , calcitonin , pathology , thyroglobulin , staining , biology , medicine , endocrinology , thyroid , microbiology and biotechnology , kidney
Summary A systematic immunohistochemical study of the ultimobranchial tubule (UBT) has been carried out in 45 Wistar rats of different ages (0, 5, 10, 15, 20, 25, 30, 60 and 120 days). The existence of calcitonin immunoreactive cells in the UBT wall has been demonstrated in a 5‐days old rat. In addition, immunohistochemical studies for thyroglobulin revealed positive staining in follicular cells connected to the UBT and, occasionally, in isolated cells lying within solid clusters from the UBT. These last results together with the continued and repeated existence of numerous mitosis and PAS (+) microfollicles, apparently rising from the UBT, support the hypothesis that the ultimobranchial body (UBB) may contribute partially to the formation of a part of the follicular component.