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Secondary Oocyte

Source: Centro Riproduzione Assistita, Catania, Italy.

Label Key:

  • 1. zona pellucida
  • 2. polar body
  • 3. secondary oocyte
  • 4. perivitelline space

All ages referenced to fertilization, not last menstrual period.
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Secondary Oocyte
Secondary Oocyte
Single-Cell Embryo
Single-Cell Embryo
Zygote
Zygote
Human Zygote
Human Zygote
The Zygote
The Zygote
Two-Cell Human Embryo
Two-Cell Human Embryo
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