IWASAWA, Hisaaki: search on Z-Library

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1

Egg size variation among various breeding habitats in the salamander,Hynobius lichenatus

Hisashi Takahashi, Hisaaki Iwasawa

Journal:

Ecological Research

Year:

1990

Language:

english

File:

PDF, 316 KB

english, 1990

2

Normal Stages of Development of the Japanese Green Frog Rhacophorus arboreus (Okada et Kawano)

IWASAWA, Hisaaki, KAWASAKI, Naoko

Journal:

Acta Herpetologica Japonica

Year:

1979

File:

PDF, 2.41 MB

1979

3

Failure of sex hormones and PMS to stimulate gonadal development in young Rana nigromaculata

Hisaaki Iwasawa, Mikio Kobayashi

Journal:

General and Comparative Endocrinology

Year:

1974

Language:

english

File:

PDF, 197 KB

english, 1974

4

Wandering Behavior and Cutaneous Changes in Winter-Dormant Male Salamanders (Hynobius nigrescens)

Masato Hasumi and Hisaaki Iwasawa

Journal:

Year:

1992

Language:

english

File:

PDF, 697 KB

english, 1992

5

Gonadotropin-induced luminal formation in the seminiferous tubules and efferent ductules in young frogs: Light and electron microscopic study

Tohru Kobayashi, Hisaaki Iwasawa

Journal:

Journal of Experimental Zoology Part A Ecological Genetics and Physiology

Year:

1989

Language:

english

File:

PDF, 1.10 MB

english, 1989

6

Normal Stages of Development of a Hynobiid Salamander, Hynobius nigrescens Stejneger

IWASAWA, HISAAKI, YAMASHITA, KAORU

Journal:

Acta Herpetologica Japonica

Year:

1991

File:

PDF, 5.92 MB

1991

7

Dynamics of Precocious Spermatogenesis in Rana nigromaculata

Tohru Kobayashi and Hisaaki Iwasawa

Journal:

Year:

1988

Language:

english

File:

PDF, 1.16 MB

english, 1988

8

Water Absorption in the Egg Sac of the Salamander Hynobius nigrescens

HASUMI, MASATO, HASEGAWA, YOSHINORI, IWASAWA, HISAAKI

Journal:

Acta Herpetologica Japonica

Year:

1994

Language:

english

File:

PDF, 540 KB

english, 1994

9

EFFECTS OF THIOUREA UPON THE DEVELOPMENT OF ANURAN LARVAE

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1956

Language:

english

File:

PDF, 581 KB

english, 1956

10

Seasonal Changes in the Testes and Wolffian Ducts in the Salamander Hynobius retardatus

IWASAWA, HISAAKI, KASHIWAKURA, KEIKO, SATO, TAKANORI

Journal:

Acta Herpetologica Japonica

Year:

1992

Language:

english

File:

PDF, 2.94 MB

english, 1992

11

Two Cases of Oviducal Prolapse Found in the Lungless Salamander Onychodactylus japonicus

IWASAWA, Hisaaki

Journal:

Acta Herpetologica Japonica

Year:

1978

File:

PDF, 925 KB

1978

12

Seasonal Dynamics of Reproductive Organs in Male Salamanders of the Species Hynobius nigrescens

Masato Hasumi, Hisaaki Iwasawa and Yoshitaka Nagahama

Journal:

Year:

1990

Language:

english

File:

PDF, 2.14 MB

english, 1990

13

Normal Stages of Development of a Tree Frog, Hyla japonica Günther

IWASAWA, HISAAKI, FUTAGAMI, JUNKO

Journal:

Acta Herpetologica Japonica

Year:

1992

Language:

english

File:

PDF, 3.61 MB

english, 1992

14

Sex Differentiation of the Gonad in the Bullfrog, Rana catesbeiana

IWASAWA, Hisaaki, TAKASAWA, Tamotsu

Journal:

Acta Herpetologica Japonica

Year:

1974

File:

PDF, 2.59 MB

1974

15

Oviposition in the Lungless Salamander Onychodactylus japonicus Induced by Injection of Frog Pituitary and Commercial Gonadotropins

IWASAWA, Hisaaki, KERA, Yoshio

Journal:

Acta Herpetologica Japonica

Year:

1978

Language:

english

File:

PDF, 491 KB

english, 1978

16

Proliferative activity of somatic cells during gonadal development in the Japanese pond frog, Rana nigromaculata

Akihiko Tanimura, Hisaaki Iwasawa

Journal:

Journal of Experimental Zoology Part A Ecological Genetics and Physiology

Year:

1991

Language:

english

File:

PDF, 812 KB

english, 1991

17

Gonadal Development and Germ Cell Kinetics in the Course of Sex Differentiation in the Salamander Onychodactylus japonicus

NOMURA, TAKASHI, IWASAWA, HISAAKI

Journal:

Acta Herpetologica Japonica

Year:

1992

Language:

english

File:

PDF, 2.03 MB

english, 1992

18

Annual Dynamics of Germ Cells in Male Hyla Japonica

Shingo Toyoshima and Hisaaki Iwasawa

Journal:

Year:

1984

Language:

english

File:

PDF, 641 KB

english, 1984

19

Seasonal Changes in Plasma Concentrations of Sex Steroids in the Salamander Hynobius nigrescens

Masato Hasumi, Hisaaki Iwasawa, Yoshitaka Nagahama

Journal:

General and Comparative Endocrinology

Year:

1993

File:

PDF, 297 KB

1993

20

Spermatogonial responsiveness to mammalian gonadotropins in subadult Rana nigromaculata

Hisaaki Iwasawa

Journal:

General and Comparative Endocrinology

Year:

1978

Language:

english

File:

PDF, 1.97 MB

english, 1978

21

Ultrastructural Observations on the Origin and Differentiation of Somatic Cells during Gonadal Development in the Frog Rana nigromaculata : (frog/gonadal development/sex differentiation)

AKIHIKO TANIMURA, HISAAKI IWASAWA

Journal:

Development, Growth & Differentiation

Year:

1988

Language:

english

File:

PDF, 3.89 MB

english, 1988

22

THIOUREA-INDUCED PRECOCIOUS GERM CELL DIFFERENTIATION IN FROG LARVAE

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1958

Language:

english

File:

PDF, 2.89 MB

english, 1958

23

Breeding Emergence of the Toad Bufo japonicus formosus in Donchi-ike, Niigata City, in the Delayed Spring of 1984

IWASAWA, Hisaaki, MIYAZAKI, Hiroshi

Journal:

Acta Herpetologica Japonica

Year:

1984

File:

PDF, 217 KB

1984

24

COMPARATIVE ANATOMY OF THE THYROID GLANDS OF JAPANESE FROGS

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1960

Language:

english

File:

PDF, 6.13 MB

english, 1960

25

Structural changes in gonadotropin-producing cells of male frogs, Rana nigromaculata, in the process of sexual maturation

Hisaaki Iwasawa, Yoshio Kera

Journal:

General and Comparative Endocrinology

Year:

1982

Language:

english

File:

PDF, 9.54 MB

english, 1982

26

SEX REVERSAL IN FEMALE TADPOLES INDUCED BY THE TREATMENT WITH METHYLMERCAPTOIMIDAZOLE

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1958

Language:

english

File:

PDF, 4.17 MB

english, 1958

27

Changes in the Size of Egg-form Embryos with the Advance of Development in the Salamander Hynobius nigrescens

TAKAHASHI, HISASHI, IWASAWA, HISAAKI

Journal:

Acta Herpetologica Japonica

Year:

1988

Language:

english

File:

PDF, 260 KB

english, 1988

28

Long-term Maintenance of Egg-fertilizability in Water in the Salamander Hynobius nigrescens

HASUMI, MASATO, HASEGAWA, YOSHINORI, IWASAWA, HISAAKI

Journal:

Acta Herpetologica Japonica

Year:

1993

Language:

english

File:

PDF, 310 KB

english, 1993

29

Study of Thumb Pad Regions Developed by the Administration of Testosterone in a Young Female of Rana nigromaculata with a Supernumerary Forelimb

IWASAWA, Hisaaki, TAKASU, Toshikatsu

Journal:

Acta Herpetologica Japonica

Year:

1985

Language:

english

File:

PDF, 3.40 MB

english, 1985

30

FORMATION OF GERM CELL-LIKE CELLS IN THE PERITONEAL EPITHELIUM OF THE TESTES OF ESTROGEN-TREATED ADULT MALES OF THE JAPANESE RED-BELLIED NEWT, CYNOPS PYRRHOGASTER PYRRHOGASTER

SHIGEYASU TANAKA, HISAAKI IWASAWA, KATSUTOSHI IMAI

Journal:

Development, Growth & Differentiation

Year:

1980

Language:

english

File:

PDF, 1.75 MB

english, 1980

31

A morphometric analysis of the subcellular distribution of LHβ and FSHβ in secretory granules in the pituitary gonadotrophs of the frog (Rana japonica)

Fumihiko Mizutani, Hisaaki Iwasawa, Shigeyasu Tanaka

Journal:

Cell and Tissue Research

Year:

1994

Language:

english

File:

PDF, 3.61 MB

english, 1994

32

EFFECTS OF PARA-HYDROXYPROPIOPHENONE ON THE SECRETION OF HYPOPHYSEAL HORMONES IN FROG LARVAE

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1958

Language:

english

File:

PDF, 5.56 MB

english, 1958

33

INHIBITORY EFFECT OF PARA-HYDROXYPROPIOPHENONE ON THE DEVELOPMENT OF GONAD IN THYROIDECTOMIZED FROG LARVAE

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1960

Language:

english

File:

PDF, 5.32 MB

english, 1960

34

Histological Observations on the Thyroid Gland in Rana catesbeiana Larvae

IWASAWA, Hisaaki, TAKASAWA, Tamotsu

Journal:

Acta Herpetologica Japonica

Year:

1975

File:

PDF, 1.36 MB

1975

35

TRANSFORMATION OF OVARIES TO TESTES IN THIOUREA TREATED FROG LARVAE

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1955

Language:

english

File:

PDF, 4.04 MB

english, 1955

36

Collecting and Smoke-drying of the Lungless Salamander Onychodactylus japonicus in Hinoémata District

Iwasawa, Hisaaki

Journal:

Acta Herpetologica Japonica

Year:

1976

File:

PDF, 1.02 MB

1976

37

RELATION BETWEEN THE CONCENTRATION OF THIOUREA SOLUTION AND ITS MASCULINIZING EFFECT ON FROG LARVAE

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1955

Language:

english

File:

PDF, 211 KB

english, 1955

38

RELATION BETWEEN THE ANTERIOR LOBE OF HYPOPHYSIS AND THE SEX-REVERSAL IN THIOUREA-TREATED FROG LARVAE

Iwasawa, Hisaaki

Journal:

Obstetric and Gynecologic Survey

Year:

1959

File:

PDF, 58 KB

1959

39

PECULIAR RESPONSE OF TOAD LARVAE TO THIOUREA TREATMENT

IWASAWA, HISAAKI

Journal:

Endocrinologia Japonica

Year:

1959

Language:

english

File:

PDF, 8.50 MB

english, 1959

40

Normal Stages of Development of the Japanese Lungless Salamander, Onychodactylus japonicus (Houttuyn)

IWASAWA, Hisaaki, KERA, Yoshio

Journal:

Acta Herpetologica Japonica

Year:

1980

File:

PDF, 3.89 MB

1980

41

TIMING OF PROLIFERATION OF SPERMATOGONIA AND SPERMATOGONIUM-SUPPORTING SERTOLI CELLS IN THE NEWT CYNOPS PYRRHOGASTER

KOBAYASHI, TOHRU, IWASAWA, HISAAKI

Journal:

Biomedical Research

Year:

1992

Language:

english

File:

PDF, 931 KB

english, 1992

42

Development of the Testis in the Frog Rana nigromaculata, with Special Reference to Germ Cell Maturation

Hisaaki Iwasawa and Mikio Kobayashi

Journal:

Year:

1976

Language:

english

File:

PDF, 570 KB

english, 1976

43

Invalid Specific Status of Hynobius sadoensis Sato: Electrophoretic Evidence (Amphibia: Caudata)

Masafumi Matsui, Hisaaki Iwasawa, Hisashi Takahashi, Terutake Hayashi and Masahiko Kumakura

Journal:

Journal of Herpetology

Year:

1992

Language:

english

File:

PDF, 1.44 MB

english, 1992

44

Correlation Between the Number of Eggs Deposited in the Egg Sac and the Altitude of the Spawning Place in the Salamander Hynobius nigrescens

KURASAWA, Jin-ichir&ocirc, , IWASAWA, Hisaaki

Journal:

Acta Herpetologica Japonica

Year:

1977

File:

PDF, 381 KB

1977

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