An unusual organelle in the pineal gland of the rat
- 1 October 1977
- journal article
- research article
- Published by Springer Nature in Cell and tissue research
- Vol. 184 (1), 133-137
- https://doi.org/10.1007/bf00220533
Abstract
Summary An electron microscopic survey of pinealocytes from normal rats revealed a highly organized arrangement of cytoplasmic tubules. Such tubules had been previously observed in normal rats (Lin, 1967) and in rats after melatonin administration or two weeks exposure to darkness (Freire and Cardinali, 1975). In a later publication the presence of the tubules was attributed to experimental manipulation resulting in infertility (Gusek, 1976). The present study resolves the discrepancy in the literature by establishing that the tubular organelle does indeed occur in untreated male rats, but rather rarely.Keywords
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