SPERMATOGENESIS IN NORMAL AND HYPOPHYSECTOMIZED FROGS (RANA TEMPORARIA), FOLLOWING GONADOTROPHIN ADMINISTRATION

1 July 1951

journal article
research article
Published by Oxford University Press (OUP) in Acta Endocrinologica

Vol. 7 (1) , 257-269
https://doi.org/10.1530/acta.0.0070257

Abstract

Spontaneous spermatogenesis did not occur in R. temporaria collected in Jan. or in March, nor did hypophysectomy alter testicular activity. Spermatogenic activity began after injn. of pregnant mares'' serum or frog pituitary extract into intact or hypophysectomized frogs. The March frogs were much more responsive than the January animals. Sperm release did not occur with PMS, but did occur with frog pituitary extract.

Keywords

GONADOTROPINS/EFFECTS
SPERMATOZOA
TESTES

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