Crystal Structure of the Zeolite Paulingite
- 25 November 1966
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 154 (3752), 1004-1007
- https://doi.org/10.1126/science.154.3752.1004
Abstract
Postpartum involution of the uterus was significantly reduced in rabbits by immediate and repeated injections of progesterone. Progesterone had no effect if the injections commenced 24 hours after delivery. The decrease in concentration of progesterone that accompanies birth results in release of proteolytic and other degradative enzymes from subcellular particles; these enzymes cause the involution, and, once the enzymes are released into the cellular milieu, progesterone has no effect.Keywords
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