Search Results1-20 of  100

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  • Iwasawa Hisaaki ID: 9000009556521

    Articles in CiNii:1

    • Effects of Testosterone on Spermatogenic Process and Sperm Preservation in Late Autumn Young Rana nigromaculata (Communication) (1986)
  • Iwasawa Hisaaki ID: 9000009556977

    Articles in CiNii:1

    • Germ cell kinetics in gonadal development in the toad Bufo japonicus formosus (1987)
  • Iwasawa Hisaaki ID: 9000009557617

    Articles in CiNii:1

    • Immunocytochemical Study on the Dynamics of TSH Cells before,during,and after Metamorphosis in the Salamander,Hynobius nigrescens (1991)
  • Iwasawa Hisaaki ID: 9000009559188

    Articles in CiNii:1

    • Egg Size Variation among Various Breeding Habitats in the Salamander,Hynobius lichenatsu (1990)
  • Iwasawa Hisaaki ID: 9000015119962

    Articles in CiNii:1

    • Geographic variation in the tail of the Japanese salamander,Hynobius lichenatus,with special reference to taxonomic bearing (1987)
  • IWASAWA HISAAKI ID: 9000020648579

    Department of Biology, Faculty of Science, Niigata University (1956 from CiNii)

    Articles in CiNii:1

    • EFFECTS OF THIOUREA UPON THE DEVELOPMENT OF ANURAN LARVAE (1956)
  • IWASAWA HISAAKI ID: 9000020663111

    Sado Marine Biological Station (1959 from CiNii)

    Articles in CiNii:1

    • PECULIAR RESPONSE OF TOAD LARVAE TO THIOUREA TREATMENT (1959)
  • IWASAWA HISAAKI ID: 9000020686551

    Sado Marine Biological Station (1960 from CiNii)

    Articles in CiNii:1

    • INHIBITORY EFFECT OF <I>PARA</I>-HYDROXYPROPIOPHENONE ON THE DEVELOPMENT OF GONAD IN THYROIDECTOMIZED FROG LARVAE (1960)
  • IWASAWA HISAAKI ID: 9000020745115

    Department of Biology, Faculty of Science, Niigata University (1955 from CiNii)

    Articles in CiNii:1

    • TRANSFORMATION OF OVARIES TO TESTES IN THIOUREA TREATED FROG LARVAE (1955)
  • IWASAWA HISAAKI ID: 9000020760048

    Department of Biology, Faculty of Science, Niigata University (1958 from CiNii)

    Articles in CiNii:1

    • EFFECTS OF PARA-HYDROXYPROPIOPHENONE ON THE SECRETION OF HYPOPHYSEAL HORMONES IN FROG LARVAE (1958)
  • IWASAWA HISAAKI ID: 9000020782381

    Department of Biology, Faculty of Science, Niigata University (1958 from CiNii)

    Articles in CiNii:1

    • THIOUREA-INDUCED PRECOCIOUS GERM CELL DIFFERENTIATION IN FROG LARVAE (1958)
  • IWASAWA HISAAKI ID: 9000020782385

    Department of Biology, Faculty of Science, Niigata University (1958 from CiNii)

    Articles in CiNii:1

    • SEX REVERSAL IN FEMALE TADPOLES INDUCED BY THE TREATMENT WITH METHYLMERCAPTOIMIDAZOLE (1958)
  • IWASAWA HISAAKI ID: 9000020782985

    Sado Marine Biological Station (1960 from CiNii)

    Articles in CiNii:1

    • COMPARATIVE ANATOMY OF THE THYROID GLANDS OF JAPANESE FROGS (1960)
  • IWASAWA HISAAKI ID: 9000020788466

    Department of Biology, Faculty of Science, Niigata University (1955 from CiNii)

    Articles in CiNii:1

    • RELATION BETWEEN THE CONCENTRATION OF THIOUREA SOLUTION AND ITS MASCULINIZING EFFECT ON FROG LARVAE (1955)
  • IWASAWA HISAAKI ID: 9000283658420

    Biological Institute, Faculty of Science, Niigata University (1988 from CiNii)

    Articles in CiNii:1

    • Changes in the Size of Egg-form Embryos with the Advance of Development in the Salamander <i>Hynobius nigrescens</i> (1988)
  • IWASAWA HISAAKI ID: 9000283658489

    Biological Institute, Faculty of Science, Niigata University (1991 from CiNii)

    Articles in CiNii:1

    • Normal Stages of Development of a Hynobiid Salamander, <i>Hynobius nigrescens</i> Stejneger (1991)
  • IWASAWA HISAAKI ID: 9000283658498

    Biological Institute, Faculty of Science, Niigata University (1992 from CiNii)

    Articles in CiNii:1

    • Seasonal Changes in the Testes and Wolffian Ducts in the Salamander <i>Hynobius retardatus</i> (1992)
  • IWASAWA HISAAKI ID: 9000283658502

    Biological Institute, Faculty of Science, Niigata University (1992 from CiNii)

    Articles in CiNii:1

    • Normal Stages of Development of a Tree Frog, <i>Hyla japonica</i> Günther (1992)
  • IWASAWA HISAAKI ID: 9000283658512

    Biological Institute, Faculty of Science, Niigata University (1992 from CiNii)

    Articles in CiNii:1

    • Gonadal Development and Germ Cell Kinetics in the Course of Sex Differentiation in the Salamander <i>Onychodactylus japonicus</i> (1992)
  • IWASAWA HISAAKI ID: 9000283658533

    Biological Institute, Faculty of Science, Niigata University (1993 from CiNii)

    Articles in CiNii:1

    • Long-term Maintenance of Egg-fertilizability in Water in the Salamander <i>Hynobius nigrescens</i> (1993)
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