Female reproductive system pdf
With menopause, hormone levels drop, and some women experience unpleasant effects from the lowered hormone levels, including hot flashes, mood changes, headache, tiredness, and sleep disturbances.
During this phase, the following events occur: The rise in estrogen from the dominant follicle triggers a surge in the amount of luteinizing hormone that is produced by the brain.
The female reproductive system is designed to carry out several functions.
The term menstruation refers to the periodic shedding of the uterine lining.In addition, the female reproductive system produces female sex hormones that maintain the reproductive cycle.The corpus can easily expand to hold a developing baby.The ovaries are also part of the endocrine system because they produce female sex hormones such as estrogen (pronounced: ESS-truh-jun) and progesterone (pronounced: pro-jess-tuh-rone).The system is designed to transport the ova to the site of fertilization.The fertilized egg then moves to the uterus, cs6 master collection crack where it implants into the lining of the uterine wall.If an egg has been fertilized, the fertilized egg travels down one of the Fallopian tubes into the uterus and implants in the uterine lining tissue.
Johnson, MD on December 03, 2016 Sources sources: National Institutes of Health.
The corpus luteum secretes the hormone progesterone.
With every cycle, a woman's body prepares for a potential pregnancy, whether or not that is the woman's intention.
Also during this phase, there is an increase in the amount and thickness of mucus produced by the cervix (lower part of the uterus).
What Happens During the Menstrual Cycle?
There are four major hormones (chemicals that stimulate or regulate the activity of cells or organs) involved in the menstrual cycle: follicle-stimulating hormone, luteinizing hormone, estrogen, and progesterone.They lie just inside the labia majora, and surround the openings to the vagina (the canal that joins the lower part of the uterus to the outside of the body) and urethra (the tube that carries urine from the bladder to the outside of the.The fimbriae sweep the egg into the tube.If fertilization of an egg has not occurred, the lining of the uterus eventually breaks down and is shed resulting in menstrual bleeding.It produces the female egg cells necessary for reproduction, called the ova or oocytes.If the egg is not fertilized, it passes through the uterus.( Menstru means "monthly.Ovulatory Phase of the Menstrual Cycle The ovulatory phase, or ovulation, starts about 14 days after the follicular phase started.