Reproduction and Embryo Development Notes with PDF

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Human Reproduction and Embryonic Development

Fertilization

• Definition: The process of a sperm cell fusing with an ovum (egg cell).
• Location: Occurs in the oviduct (also known as the Fallopian tube).
• Fertilizing Capacity of Sperm: After entering the female reproductive tract, human sperm retain their ability to fertilize an egg for approximately one to two days.

Embryonic Development

• Key Developmental Milestone:
  • Heartbeat Initiation: The heart of a human embryo begins beating around the fourth week of development.
• Embryonic Membranes: Specialized membranes that protect and nourish the developing embryo.
  • Amnion: The membrane that forms a fluid-filled sac (amniotic sac) around the embryo.
    • Function: Provides protection against physical shock and desiccation (drying out).

Know More About Reproduction and Embryo Development:

• Reproduction and Embryo Development – Old Year Questions
• Reproduction and Embryo Development One Liner Questions & Answers