Reproductive system - Female reporductive organs

8 important questions on Reproductive system - Female reporductive organs

What does the female reproductive system consists of?

  • Pair of ovaries, that produce egge cells/ova
  • Fallopian tubes, where fertilisation occurs and carries the fertilised ovum to the uterus
  • Uterus, growth of foetus takes place there
  • Cervix, separated uterus from the vagina/birth canal (where sperm are deposited)

What does the ovary consist of?

  • Inner region (medulla)
  • outer region (cortex), contains the egg cells or ova
  • Follicle, cluster of cells that surrounds and nourishes each ovum

How does ovarian cycle work?

  1. Follicule matures
  2. Ovum is shed
  3. corpus luteum develop, blood clot forms in the empty follicle which forms the corpus luteum that produces the hormone progesterone
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What is the oestrous cycle?

It is the sequence of hormonal changes that occurs through the ovarian cycle

What signals does female must be receptive to the Maile ar around the time of ovulations?

For fertilisation of the ovum , hormones turn on the signs of "heat", "in season" or "in oestrous"

What happens during the oestrous cycle to the lining of the uterus (endometrium)?

Lining of the uterus thickens ready for the fertilised ovum to be implanted. If no pregnancy occurs, the thickened tissue is absorbed and the next cycle starts

Humans --> endometrium is shed as a flow of blood and instead of an oestrous cycle there is a menstrual cycle

What is induced ovulation?

When ovulation is stimulated by mating (cats, rabbit)

Who are the continuous breeders? When do seasonal breeders breed?

Primates (humans, gorillas, chimpanzees), pigs, mice and rabbits.

Spring and autumn

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