Structure and ultrastructure of the testis and sperm formation in goodeid teleosts

Testis structure in four species of goodeid teleosts is described. Testicular tubules terminate blindly at the testis periphery where spermatogonia are located. In goodeid teleosts, development of sperm takes place synchronously within cysts whose periphery is made up of a single layer of Sertoli ce...

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Veröffentlicht in:	Journal of morphology (1931) 1978-06, Vol.156 (3), p.419-437
Hauptverfasser:	Grier, H. J., Fitzsimons, J. M., Linton, J. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Fishes - anatomy & histology Male Species Specificity Spermatozoa - ultrastructure Subcellular Fractions - ultrastructure Testis - ultrastructure
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