Estradiol-17 , Estrone, and Progesterone in the Ovaries of Lamprey (Petromyzon marinus).
- 1 October 1963
- journal article
- research article
- Published by Frontiers Media SA in Experimental Biology and Medicine
- Vol. 114 (1) , 255-257
- https://doi.org/10.3181/00379727-114-28645
Abstract
Summary Ovaries of cyclostomes (Petromyzon marinus) were examined for sex steroids. The ripe ovaries contain a minimum of 16 μg estradiol-17β/kilo of fresh ovarian tissue determined by the Astwood 6 hour assay. The biologically active material was identified as estradiol-17β and estrone by countercurrent distribution, paper chromatography and bioassay. Presence of progesterone was tentatively identified by methods of column chromatography and Hooker-Forbes assay.Keywords
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