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Questions and Answers
What is formed as a result of fertilization?
What is formed as a result of fertilization?
- Morula
- Zygote (correct)
- Ovum
- Blastocyst
In which part of the female reproductive system does fertilization typically occur?
In which part of the female reproductive system does fertilization typically occur?
- Vagina
- Uterus
- Fallopian tubes (correct)
- Ovaries
What is the process that occurs after the zygote is formed?
What is the process that occurs after the zygote is formed?
- Menstruation
- Cleavage (correct)
- Ovulation
- Implantation
What is the term used for the stage when the zygote becomes a 64-cell structure?
What is the term used for the stage when the zygote becomes a 64-cell structure?
What is the final step of the fertilization process before pregnancy begins?
What is the final step of the fertilization process before pregnancy begins?
What happens to the uterine walls if fertilization does not occur?
What happens to the uterine walls if fertilization does not occur?
How long does the blastocyst remain attached to the uterine wall during pregnancy?
How long does the blastocyst remain attached to the uterine wall during pregnancy?
What structure does the blastocyst develop from after cleavage?
What structure does the blastocyst develop from after cleavage?
Flashcards
Fertilization
Fertilization
The process of combining a male gamete (sperm) with a female gamete (ovum), resulting in a single cell called a zygote.
Implantation
Implantation
The process where a fertilized egg (blastocyst) attaches to the uterine wall during pregnancy.
Ovulation
Ovulation
The process where a mature egg is released from an ovary each month.
Cleavage
Cleavage
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Blastocyst
Blastocyst
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Morula
Morula
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Menstruation
Menstruation
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Fallopian Tubes
Fallopian Tubes
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Study Notes
Fertilization and Implantation
- Fertilization: The sperm and egg unite in a fallopian tube, creating a zygote.
- Zygote travels down the fallopian tube, developing into a morula.
- Morula becomes a blastocyst in the uterus.
- Blastocyst implants into the uterine wall, a process called implantation.
Definition of Fertilization
- Combining the male (sperm) and female (ovum) gametes.
- Resulting cell: Zygote
Definition of Implantation
- Blastocyst attaches to uterine wall
- Occurs during pregnancy
Egg Cell Development
- Egg cells form in ovaries.
- Each month, one ovary releases a mature egg (ovulation).
- Released egg travels to the fallopian tube (oviduct).
Fertilization Process (If it Occurs)
- Sperm travels to uterus and fallopian tubes.
- If egg is present, sperm and egg unite (fertilization).
- Fertilized egg (zygote) moves down fallopian tube.
- Zygote undergoes cleavage (cell division) becoming a morula.
- Morula develops into a blastocyst.
- Blastocyst implants into uterine wall.
Implantation Process
- Blastocyst attaches to uterine wall.
- Implantation is crucial for pregnancy.
- Continued development occurs.
Menstruation (If Fertilization Does Not Occur)
- Uterine wall sheds, releasing blood and tissue.
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