![A laboratory manual and text-book of embryology. Embryology. 20 THE GERM CELLS: MITOSIS, MATURATION AND FERTILIZATION in number during the growth of the ovum until several layers surround it (Fig. 3). A laboratory manual and text-book of embryology. Embryology. 20 THE GERM CELLS: MITOSIS, MATURATION AND FERTILIZATION in number during the growth of the ovum until several layers surround it (Fig. 3).](https://c8.alamy.com/comp/RE0EA1/a-laboratory-manual-and-text-book-of-embryology-embryology-20-the-germ-cells-mitosis-maturation-and-fertilization-in-number-during-the-growth-of-the-ovum-until-several-layers-surround-it-fig-3-a-cavity-appearing-between-these-cells-becomes-filled-with-fluid-and-thus-forms-a-sac-the-graafian-follicle-within-which-the-ovum-is-eccentrically-located-the-cells-of-the-graafian-follicle-immediately-surrounding-the-ovum-form-the-corona-radiata-fig-1-when-the-ovum-is-set-free-ovulation-and-menstruationwhen-the-ovum-is-ripe-the-graafian-follicle-is-large-and-contains-fluid-probably-RE0EA1.jpg)
A laboratory manual and text-book of embryology. Embryology. 20 THE GERM CELLS: MITOSIS, MATURATION AND FERTILIZATION in number during the growth of the ovum until several layers surround it (Fig. 3).
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A laboratory manual and text-book of embryology. Embryology. &f ^-Y% Fig. i A.. Cytbpla.sm of ovum Fig. i E. Fig. i.—A, Human ovum examined fresh in the liquor folliculi (Waldeyer). The
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