Abstract
RECENTLY Evans1 reported the existence of a new pituitary factor, the antagonist, which inhibits follicle development in infantile rats when simultaneously injected with follicle-stimulating extracts from various sources. To avoid misunderstanding, it is proposed to call this factor antifolliculogenic, in contrast with antiluteogenic. At about the same time, Bunde and Greep2 described a regression of persistent corpora lutea in the ovaries of hypophy-sectomized rats by the luteinizing fraction of pituitary extracts.
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References
Univ. Californ. Publ. Anat., 1, No. 8, 237 (1936).
Proc. Soc. Exp. Biol. and Med., 35, No. 2, 235 (1936).
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FREUD, J. An Antiluteogenic Factor in the Anterior Pituitary. Nature 139, 880–881 (1937). https://doi.org/10.1038/139880b0
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DOI: https://doi.org/10.1038/139880b0
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