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Eel Biology pp 319-329 | Cite as

Spermatogenesis in the Japanese Eel

  • Takeshi Miura
  • Chiemi Miura
  • Kohei Yamauchi

Abstract

Spermatogenesis, the formation of sperm that is highly adapted for deliveringto its genes to an egg,, is a complex developmental process. It begins with the renewal of spermatogonial stem cells to maintain their own numbers, and the mitotic proliferation of spermatogonia. Then, it proceeds through two meiotic divisions followed by spermiogenesis during which the haploid spermatids developP into spermatozoa. Spermatozoa then undergo maturation to gain fertilizing ability. Even though spermatogenesis is the same in both vertebrates and invertebrates, its control mechanisms are not well understood because there are few appropriate models for analyzing them.

Keywords

Sertoli Cell Sperm Motility Chum Salmon Spermatogonial Stem Cell Sperm Maturation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Tokyo 2003

Authors and Affiliations

  • Takeshi Miura
    • 1
  • Chiemi Miura
    • 1
  • Kohei Yamauchi
    • 2
  1. 1.Laboratory of Fish Reproductive Physiology, Faculty of AgricultureEhime UniversityTarumi, MatsuyamaJapan
  2. 2.Division of Marine BiosciencesGraduate School of Fisheries ScienceMinato-cho HakodateJapan

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