. Carnegie Institution of Washington publication. 68 THE MATURATION OF THE EGG OF THE MOUSE. 21. Each spindle is oblique to the surface of the egg at the beginning of the abstriction of its polar cell. 22. All eggs form two spindles and a first polar cell. 23. All seminated eggs form a second polar cell. 24. The first polar cell probably migrates in the peri vitelline space inside the zona pellucida, and is aided in this movement by the process of ovulation. 25. The first polar cell may or may not degenerate. 26. Maturation division in the mouse egg belongs to the type known as prereduction di
. Carnegie Institution of Washington publication. 68 THE MATURATION OF THE EGG OF THE MOUSE. 21. Each spindle is oblique to the surface of the egg at the beginning of the abstriction of its polar cell. 22. All eggs form two spindles and a first polar cell. 23. All seminated eggs form a second polar cell. 24. The first polar cell probably migrates in the peri vitelline space inside the zona pellucida, and is aided in this movement by the process of ovulation. 25. The first polar cell may or may not degenerate. 26. Maturation division in the mouse egg belongs to the type known as prereduction Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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