THE ULTRASTRUCTURE OF THE ACCESSORY SEX ORGANS OF THE MALE RAT

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Abstract
The present paper describes the fine structure of the accessory sex organs of the male rat as seen after stimulation with testosterone administered to castrated adults as well as infantile rats. Electron microscopic examination of the testosterone-treated castrated animals revealed an almost complete regeneration of the epithelial cells in all the organs, with a well developed Golgi area, a well developed rough endoplasmic reticulum and an increased number of secretory granules. The results obtained are discussed in relation to the biochemical data, and it is concluded that the various cell types of the accessory genital complex react in a fundamentally similar manner to the administration of testosterone.

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