News of the WeekREPRODUCTIVE BIOLOGY

Controversial Study Finds an Unexpected Source of Oocytes

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Science  29 Jul 2005:
Vol. 309, Issue 5735, pp. 678-679
DOI: 10.1126/science.309.5735.678

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Summary

Scientists report in Cell this week that cells in the bone marrow and blood are a source of developing oocytes found in the ovaries. If true, this work in mice would rewrite the current understanding of the female reproductive system.