FREEMARTINISM
\fɹˈiːmɑːtˌɪnɪzəm], \fɹˈiːmɑːtˌɪnɪzəm], \f_ɹ_ˈiː_m_ɑː_t_ˌɪ_n_ɪ_z_ə_m]\
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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.
By DataStellar Co., Ltd
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C