Korean Journal of Veterinary Research 1979;19(2):91-97.
Histological Changes in Mouse Placenta Induced by Prostaglandin F2α
Sung Whan Cho, Cha Soo Lee
Department of Veterinary Medicine, College of Agriculture, Gyeongbug National University
Prostaglandin F2α 투여(投與)에 의한 생쥐 태반(胎盤)의 조직학적변화(組織學的變化)
조성환, 이차수
경북대학교 농과대학
Abstract
This paper was carried out to observe prostaglandin $F_{2{alpha}}$-induced morphological changes in the placenta. White mice received intramuscular injections of $PGF_{2{alpha}}$(containing dinoprost tromethamine 0.5mg/ml, Upjohn Co.) in once or twice with doses of 0.1ml on 10th to 18th day of their respective pregnancies, the histological changes of the placentae and ovaries were observed with light microscope. Abortion within 21 to 51 hours following $PGF_{2{alpha}}$ administration occurred in the pregnant mice. Vacuolization of trophospongial cells, giant cells and myometrium under decidua basalis, spherical acidophilic inclusion bodies of various sixtes in trophospongial cells and giant cells. hydropic degeneration and necrosis of labyrinthine trophoblasts and yolk cells, and infltration of neutrophils in the placenta and the uterus were observed. In addition, there were decrease in glycogen of the placental labyrinth and the visceral yolk sac, but increase in glycogen deposit of mesometrial myometrium. Atrophy and increase in number of large lipid droplets of the luteal cells and proliferation of fibroblasts were also recognized in the corpora lutea.
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