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Questions and Answers
Which of the following is NOT a part of the female reproductive system?
Which of the following is NOT a part of the female reproductive system?
- Urethra (correct)
- Ovaries
- Vagina
- Fallopian tubes
What is the function of the ovarian follicles?
What is the function of the ovarian follicles?
- To produce progesterone
- To produce estrogen
- To mature the oocytes (correct)
- To release the oocytes
What is the size of a typical oocyte?
What is the size of a typical oocyte?
- 20 μm
- 5 μm
- 25 μm (correct)
- 10 μm
When does the onset of changes in the female reproductive system occur?
When does the onset of changes in the female reproductive system occur?
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How many primordial follicles are present in the ovaries at birth?
How many primordial follicles are present in the ovaries at birth?
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Study Notes
- The female reproductive system includes ovaries, oviducts, uterus, vagina, external genitalia, and mammary glands.
- It produces female gametes (oocytes) and provides an environment for fertilization and fetal development.
- Puberty marks the onset of changes in the female reproductive system, which lasts until menopause.
- Ovaries are almond-shaped and consist of a cortex and medulla.
- Primordial germ cells migrate to the gonadal primitive organ during embryonic life, producing oogonia that become primary oocytes.
- Primordial follicles consist of a primary oocyte and a single layer of flattened follicular cells.
- At birth, there are about 680,000 primordial follicles, which decrease to 460,000 at puberty due to atresia.
- The oocyte is spherical and about 25 μm in diameter with a large nucleus.
- The basal lamina surrounding the follicular cells acts as a blood-follicle barrier.
- Ovarian follicles are responsible for the maturation of oocytes.
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