a quantitative histological analysis of xo and xx ovaries throughout oogenesis ( 14 1/2-24 1/2 days post coitum ) revealed that this oocyte deficiency in xo mice is due to excess atresia of oocytes at the late pachytene stage ( 19 1/2 days post coitum ) .
C0029939
ovaries
C0029047
oogenesis