Podcast
Questions and Answers
During which phase of the menstrual cycle does ovulation occur?
During which phase of the menstrual cycle does ovulation occur?
- Preovulatory phase (correct)
- Proliferative phase
- Menstruation
- Postovulatory phase
What is the approximate duration of the menstrual cycle?
What is the approximate duration of the menstrual cycle?
- 28 days (correct)
- 30 days
- 14 days
- 5 days
What happens during menstruation?
What happens during menstruation?
- Shedding of the endometrium (correct)
- Development of secondary follicles
- Increase in LH levels
- Release of the secondary oocyte
Which hormone is responsible for the development of the corpus luteum?
Which hormone is responsible for the development of the corpus luteum?
What is the role of estrogen during the preovulatory phase?
What is the role of estrogen during the preovulatory phase?
What is the function of the corpus luteum?
What is the function of the corpus luteum?
What happens to the vesicular ovarian follicle after ovulation?
What happens to the vesicular ovarian follicle after ovulation?
Which phase of the menstrual cycle is also known as the luteal phase?
Which phase of the menstrual cycle is also known as the luteal phase?
What happens to the corpus luteum if fertilization and implantation do not occur?
What happens to the corpus luteum if fertilization and implantation do not occur?
What initiates another menstrual phase if fertilization and implantation do not occur?
What initiates another menstrual phase if fertilization and implantation do not occur?
What hormone maintains the corpus luteum until the placenta takes over its hormone-producing function?
What hormone maintains the corpus luteum until the placenta takes over its hormone-producing function?
What is the role of the corpus luteum after the placenta begins its secretion?
What is the role of the corpus luteum after the placenta begins its secretion?
What is the secretory phase of the uterus called?
What is the secretory phase of the uterus called?
What hormone supports pregnancy and breast development for lactation during the time the corpus luteum is maintained?
What hormone supports pregnancy and breast development for lactation during the time the corpus luteum is maintained?
What does the endometrium do during the secretory phase of the uterus?
What does the endometrium do during the secretory phase of the uterus?
Flashcards
Ovulation Phase
Ovulation Phase
The phase of the menstrual cycle when an egg is released from the ovary.
Menstrual Cycle Duration
Menstrual Cycle Duration
Approximately 28 days.
Menstruation
Menstruation
The shedding of the uterine lining.
Corpus Luteum Formation
Corpus Luteum Formation
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Estrogen's Role (Preovulatory)
Estrogen's Role (Preovulatory)
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Corpus Luteum Function
Corpus Luteum Function
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Ovarian Follicle Fate
Ovarian Follicle Fate
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Luteal Phase Equivalent
Luteal Phase Equivalent
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Corpus Luteum Fate (No Fertilization)
Corpus Luteum Fate (No Fertilization)
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Menstrual Phase Trigger (No Fertilization)
Menstrual Phase Trigger (No Fertilization)
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hCG's Function
hCG's Function
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Corpus Luteum After Placenta
Corpus Luteum After Placenta
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Secretory Phase Alternative
Secretory Phase Alternative
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Progesterone's Role during Pregnancy
Progesterone's Role during Pregnancy
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Endometrium During Secretory Phase
Endometrium During Secretory Phase
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Study Notes
Menstrual Cycle Phases
- Ovulation occurs during the ovulatory phase of the menstrual cycle.
Menstrual Cycle Duration
- The approximate duration of the menstrual cycle is around 28 days.
Menstruation
- During menstruation, the uterus sheds its lining, resulting in bleeding.
Hormone Functions
- Progesterone is responsible for the development of the corpus luteum.
Estrogen Role
- Estrogen plays a crucial role during the preovulatory phase, stimulating the growth and maturation of ovarian follicles.
Corpus Luteum Function
- The corpus luteum produces progesterone, which prepares the uterus to implant a fertilized egg and maintains pregnancy.
Ovulation and Follicle Development
- After ovulation, the vesicular ovarian follicle ruptures, releasing the egg.
Luteal Phase
- The post-ovulatory phase is also known as the luteal phase.
Corpus Luteum Fate
- If fertilization and implantation do not occur, the corpus luteum degenerates.
Initiation of Menstrual Phase
- If fertilization and implantation do not occur, the drop in progesterone levels initiates another menstrual phase.
Hormone Maintenance
- Human chorionic gonadotropin (hCG) maintains the corpus luteum until the placenta takes over its hormone-producing function.
Corpus Luteum Role After Placenta Takes Over
- Once the placenta takes over, the corpus luteum degenerates.
Secretory Phase
- The secretory phase of the uterus is also known as the luteal phase.
Hormone Support for Pregnancy
- Progesterone supports pregnancy and breast development for lactation during the time the corpus luteum is maintained.
Endometrium During Secretory Phase
- During the secretory phase, the endometrium thickens, preparing for a fertilized egg to implant.
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Description
Test your knowledge on the menstrual cycle and its different phases, from menstruation to ovulation. Learn about the development of follicles and the shedding of the endometrium during menstruation. Find out how the preovulatory phase prepares the body for ovulation.
