《英文msh词典》Disease,White Heifer
[入口词] Disease,White Heifer
[主题词] Freemartinism
[英文释义] A condition occurring in dizygotic twins of different sexes in cattle,when anastomoses of placental vessels permit interchange of hormones and cells during fetal life. The female calf is a sterile intersex due to passage of androgens from the male,and both calves are blood cell chimeras with immune tolerance,due to interchange of cells in utero.