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The Female Gonads (Ovaries)

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Destinie Mack

on 26 November 2012

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Transcript of The Female Gonads (Ovaries)

Destinie Mack
Victoria Lodhi
Lizett Diaz
Anatomy & Physiology K - 6th
Ms. Smith The Female Gonads (Ovaries) The Female Gonads Possible Solutions to Problems Hormones the Gland Produces (Con't) The Female Gonads Feedback Mechanisms/Antagonistic Hormones Female Gonads Releasing Hormones & Glands/Release Inhibiting Hormones & Glands Female Gonads Ovarian cancer
Undergo an exam by your physician
Different stages:
First: removal of the ovaries and take out as much cancerous tissue cells as possible.
Second: Chemotherapy in which the doctor uses drugs to kill the cells
Third: Radiation treatment which uses high energy x-rays to kill cancerous cells Location The Female Gonads Hormones the Gland Produces The Female Gonads Hormones Importance to Homeostasis Part of the reproductive system
In the pelvic region of the body
A female will have two gonads
There will be one gonad on each side of the uterus
Connected to the uterus by fallopian tubes
Size and shape of an almond The gonads produce sex hormones
Inhibin
Suppresses the production of FSH
Relaxin
Only found in pregnant females
Released in large amounts prior to giving birth
Causes softening and lengthening of the cervix and the pubic symphysis (where the pubic bones come together)
Inhibits contractions
Increases the amount of water in uterus
Relaxes muscoskeletal system giving a pregnant female more flexible joints and more curvature in the back to prepare for carrying and delivering a baby Estrogen
Causes major sexual developments of the female body during puberty
Starts female growth spurt
Enlarges uterus, ovaries, breasts and other reproductive system features so that the body can support a pregnancy
Increases fatty deposits in the subcutaneous layer
During menopause,the female body produces less estrogen which is one of the reasons why the menstrual cycle stops
During pregnancy estrogen levels decrease
Progesterone
Prepares the uterus for implantation
During implantation it decreases the maternal immune response to allow for the acceptance of pregnancy
If pregnancy does occur, progesterone levels increase
If pregnancy does not occur, progesterone levels decrease leading to period
Drop in progesterone levels in a pregnant female is one step that facilitates the onset of labor
Inhibits lactation during pregnancy
Increases core temperature during ovulation The Female Gonads Hyper, Hypo, or no Hormones If there is too much, too little or not any progesterone and estrogen in the female gonads at all, the following will happen...
Too much progesterone: There is no real known medical consequences of having too much progesterone in the body. Levels naturally increase during pregnancy.
Too little/none: Heavy or irregular menstrual bleeding can occur
it can result in a miscarriage or early labor resulting in premature birth.
Estrogen
Too much: This results in the woman unable to become pregnant since estrogen is used as a contraceptive.
Too little: This will affect the body's absorption and utilization of calcium and vitamin D. The Female gonads The hormones in the ovaries are important for the maintenance of homeostasis because they regulate reproduction and development.
Estrogen stimulates the development of the Uterus and the Vagina which are responsible for the development as well as the maintenance of secondary female characteristics, such as fat distribution through out the body and the width of the pelvis.
Estrogen and progesterone are responsible for the development of the breast & the uterine cycle.
Safe levels of Estrogen help maintain proper blood flow, control cholesterol levels, and acts as an antioxidant filtering harmful chemicals from the body.
The hormones in the ovaries also help keep a Holistic Balance in the body such as our emotional balance. Estrogen also increases the level of Serotonin in the brain and that chemical stimulates good mood. Positive Feedback Mechanism: A female going through labor experiences a +Feedback. First the babies head will put pressure on the cervix causing the cervix to stretch, which in turn stimulates the stretch receptors. The stretch receptors then trigger the hypothalamus to release Oxytocin which increases the Uterine contractions & pushes the baby against the cervix. As the baby is being pushed it causes the cervix to stretch even further thus the cycle will continue until the baby is out. Once the baby is out receptors will send a message to stop the release of Oxytocin and then everything goes back to its equilibrium.
Antagonistic Hormone found in the Gonads would be Melatonin. http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter28/animation__positive_and_negative_feedback__quiz_1_.html Lutenizing Hormone (LH): Releasing hormone for the ovaries, which stimulates Estrogen and Progesterone production. Also initiates ovulation in females.
Follicle Stimulating Hormone (FSH): Stimulates egg production.
Gonadotropin: Stimulates follicle-Stimulating hormone and the Lutenizing hormone.
When a group of follicles are formed in the ovaries the Dominant Follicle is the one who actually releases the egg into the fallopian tubes. Work Cited Unknown.(2012, January).Progesterone. Retrieved from
http://www.yourhormones.info/hormones/progesterone.aspx
Unknown. (2001, November 14). Treatment. Retrieved from
http://ovariancancer.jhmi.edu/treatment.cfm
Unknown.(N/A).Animation: Positive and negative feedback. Retrieved from
http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter28/animation__positive_and_negative_feedback__quiz_1_.html
Unknown.(N/A).The role of hormones. Retrieved from
http://www2.hu-berlin.de/sexology/ATLAS_EN/html/the_role_of_hormones.html
Unknown.(N/A).The endocrine system: gonads. Retrieved from
http://www.urmc.rochester.edu/childrens-hospital/endocrinology/gonads.aspx
Unknown.(N/A).Human physiology/the endocrine system. Retrieved from
http://www.saylor.org/site/wp-content/uploads/2010/11/The-Endocrine-System.pdf
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