Ovaries - PowerPoint PPT Presentation

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Ovaries

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Ovaries Tasha, Heather and Nikki – PowerPoint PPT presentation

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Title: Ovaries


1
Ovaries
  • Tasha, Heather and Nikki

2
Topics
  • Intro
  • Location
  • Hormones secreted
  • Target cells affected by hormones
  • Feedback
  • Complication due to damage of the ovaries

3
Introduction what are the ovaries?
  • The essential part of a womans reproductive
    system
  • Responsible for giving a woman all of her
    secondary sex characteristics
  • Allow women to become pregnant
  • Storage of the eggs

4
Location of the Ovaries
  • Two almond shaped glands
  • Located just underneath the ends of the fallopian
    tubes
  • are placed on either side of the uterus

5
Hormones Secreted
  • Estrogen Steroidal hormone
  • Progesterone Steroidal hormone
  • Each of the hormones are constantly being
    produced.

6
Estrogen
  • Promote the development of female secondary sex
    characteristics,
  • Thickening of the endometrium
  • Regulating menstrual cycle
  • Decelerate height growth
  • Reduce muscle mass
  • Thicken the vaginal wall
  • Accelerate metabolism

7
Target Cells of Estrogen
  • mammary gland, uterus, brain
  • Uterus thickens the inner wall of the uterus
    (endometrium)
  • stimulates the glands of the cervix to secrete a
    particular type of mucus to allow transportation
    of the sperm to the uterus
  • Mammary glands stimulates the production and
    secretion of milk
  • Brain is responsible for the way women think
    and act differently from men

8
Feedback
9
Progesterone
  • Involved in maintaining pregnancy
  • Helps prepare the body for conception
  • Plays a role in sexual desire
  • Causes the endometrium to secrete special
    proteins during the second half of the menstrual
    cycle
  • Encourages the growth of milk producing glands in
    the breast during pregnancy
  • Partly responsible for symptoms of PMS

10
Target Cells of Progesterone
  • Uterus secretions of the proteins, prepares it
    for conception
  • Mammary Glands promotes growth of the glands
  • Brain keeps desires high

11
Feedback

12
Complications due to Damages of the Ovary
  • Inability to become pregnant
  • All or the secondary sex characteristics would
    become less visible
  • Menstrual cycle would stop
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