Twinning and conjoined placentation in mice.

Yu-Jui Yvonne Wan, T. C. Wu, I. Damjanov

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

Spontaneous and experimentally induced twinning and conjoined placentation were studied in Swiss-Webster (SW) mice. Conjoined placentation was noticed at a rate of 0.4% for twins and 0.06% for triplets. Placentally conjoined embryos were either symmetrical or asymmetrical. A single spontaneous monozygotic conjoined twin was observed among 2,000 blastocysts cultured in vitro. The yield of twins could not be increased by manipulating explanted embryos in vitro, or by treating in utero during the early postimplantation stage of development with vincristine.

Original languageEnglish (US)
Pages (from-to)81-86
Number of pages6
JournalJournal of Experimental Zoology
Volume221
Issue number1
StatePublished - May 20 1982
Externally publishedYes

ASJC Scopus subject areas

  • Animal Science and Zoology

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