. The eggs of mammals . PSEUDO-MATURATION > SPINDLES I ^--'' • \-^ STAGE OF DEVELOPMENT -Fig. 14. Showing the number of , , , i ii • • 1 atretic folhcles and pseudomaturation less throughout this period spindles in the median ovary at four than during the period of stages in early pregnancy in the mouse. 1 i J i J- • (From the American Journal of Anat- least destruction m non- ^^^^y^ pregnant mice. Unfortu- nately, Engle does not give the percentages of atresia during early pregnancy. The presence of cycles of atresia and growth in animals

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