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- W1976644561 abstract "The ripe testis of Cichlasoma nigrofasciatum was found to contain both lobule boundary cells and interstitial Leydig cells. The latter possessed large quantities of cytoplasmic smooth membrane suggestive of steroid secretion, and mitochondria with both tubular and vesicular cristae. A large proportion of the mitochondria from mature Leydig cells contained microtubule-like inclusions of unknown function, which were absent from cells still in the process of differentiation. It is suggested that the Leydig cells may be responsible for testicular androgen production. Lobule boundary cells were somewhat variable in fine structure, some cells possessing mainly cisternal granular endoplasmic reticulum while the majority contained considerable amounts of tubular smooth membrane and little of the granular form. Clear evidence was found of an intimate association of the developing spermatids with the lobule boundary cells which may therefore be homologous with the Sertoli cells of other groups. Most lobule boundary cells contained granules thought to represent deposited glycogen but there was no indication of transfer of nutrients to the spermatids. The ultrastructure of the lobule boundary cells is compatible with a possible steroidogenic function." @default.
- W1976644561 created "2016-06-24" @default.
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- W1976644561 date "1972-08-01" @default.
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- W1976644561 title "The ultrastucture of lobule boundary cells and Leydig cell homologs in the testis of a cichlid fish, Cichlasoma nigrofasciatum" @default.
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- W1976644561 doi "https://doi.org/10.1016/0016-6480(72)90014-7" @default.
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