{"title":"马的胎胎盘单位。","authors":"E Möstl","doi":"10.1055/s-0029-1211277","DOIUrl":null,"url":null,"abstract":"<p><p>In the pregnant mare two different groups of oestrogens are produced by the placenta. The precursor of \"classical\" oestrogens (oestrone, oestradiol-17 beta and oestradiol-17 alpha) is dehydroepiandrosterone which originates from the fetal gonads. The ring B unsaturated oestrogens (equilin and equilenin and their derivatives) derive from farnesyl pyrophosphate by a pathway not involving cholesterol.</p>","PeriodicalId":12104,"journal":{"name":"Experimental and clinical endocrinology","volume":"102 3","pages":"166-8"},"PeriodicalIF":0.0000,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1055/s-0029-1211277","citationCount":"11","resultStr":"{\"title\":\"The horse feto-placental unit.\",\"authors\":\"E Möstl\",\"doi\":\"10.1055/s-0029-1211277\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>In the pregnant mare two different groups of oestrogens are produced by the placenta. The precursor of \\\"classical\\\" oestrogens (oestrone, oestradiol-17 beta and oestradiol-17 alpha) is dehydroepiandrosterone which originates from the fetal gonads. The ring B unsaturated oestrogens (equilin and equilenin and their derivatives) derive from farnesyl pyrophosphate by a pathway not involving cholesterol.</p>\",\"PeriodicalId\":12104,\"journal\":{\"name\":\"Experimental and clinical endocrinology\",\"volume\":\"102 3\",\"pages\":\"166-8\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1055/s-0029-1211277\",\"citationCount\":\"11\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Experimental and clinical endocrinology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1055/s-0029-1211277\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Experimental and clinical endocrinology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1055/s-0029-1211277","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In the pregnant mare two different groups of oestrogens are produced by the placenta. The precursor of "classical" oestrogens (oestrone, oestradiol-17 beta and oestradiol-17 alpha) is dehydroepiandrosterone which originates from the fetal gonads. The ring B unsaturated oestrogens (equilin and equilenin and their derivatives) derive from farnesyl pyrophosphate by a pathway not involving cholesterol.