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Anatomy and Physiology: The Female Reproductive System
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Overview 1. Female Reproductive System 2. Vagina and Mammary Glands 3. Ovarian and Uterine Cycle 4. Implantation of Blastocyst
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Figure 25.11a
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Figure 25.11b
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Figure 25.12
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OVARIES The female gonads or sex glands
They develop and expel an ovum each month A woman is born with approximately 400,000 immature eggs called follicles During a lifetime a woman 400 to 500 fully matured eggs for fertilization The follicles in the ovaries produce the female sex hormones, progesterone and estrogen These hormones prepare the uterus for implantation of the fertilized egg UNIT 3: FEMALE REPRODUCTIVE SYSTEM
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Figure 25.13
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Figure 25.14a
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Figure 25.14b
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Figure 25.15
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Figure 25.16
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FALLOPIAN TUBES Serve as a pathway for the ovum to the uterus
Are the site of fertilization by the male sperm Often referred to as the oviducts or uterine tubes Fertilized egg takes approximately 6 to 10 days to travel through the fallopian tube to implant in the uterine lining UNIT 3: FEMALE REPRODUCTIVE SYSTEM
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Figure 25.17b
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Figure 25.18b
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Figure 25.19
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Figure 25.20
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Figure 25.21
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Figure 25.23
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Figure 25.24a
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Figure 25.24b
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Figure 25.25
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Figure 25.26
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MENSTRUATION Menarch, the onset of menstruation signals the bodily changes that transform a female body Average age is 12.8 Amount of bleeding varies from woman to woman Expulsion of blood clots Blood color can vary from bright red to dark maroon Usually occurs every 25 to 32 days Women can experience fluid retention, cramping, mood swings, weight gain, breast tenderness, diarrhea, and constipation UNIT 3: FEMALE REPRODUCTIVE SYSTEM
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Figure 25.27a
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Figure 25.27b
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Figure 25.27c
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Figure 25.28
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Figure 25.29a
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Figure 25.29b
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Figure 25.30
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Figure 25.31
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Figure 25.32a
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Figure 25.32b
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Figure 25.32c
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Figure 25.33a
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Figure 25.33b
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Figure 25.33c
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Table 25.1
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Table 25.2
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BREASTS Organs of sexual arousal
Contain mammary glands Consist of connective tissue that serves as support Each breast contain clusters called lobes Each lobule is connected by ducts that open into the nipples The nipples are made up of erectile tissue The pigmented around the nipples are called the areola Breast size is determined primarily by heredity Size also depends on the existing fat and glandular tissue Breasts may exhibit cyclical changes, including increased swelling and tenderness prior to menstruation Benign breast changes refer to fibrocystic disease Lumps or masses that are noncancerous UNIT 3: FEMALE REPRODUCTIVE SYSTEM
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Figure 25.22
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BREAST SELF-EXAMINATION
Women need to examine their breasts monthly BSE This is a proactive approach to detect possible breast cancer A supplement to clinical exams and mammography Best time for a BSE is a week after menstruation UNIT 3: FEMALE REPRODUCTIVE SYSTEM
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BREAST SELF EXAM UNIT 3: FEMALE REPRODUCTIVE SYSTEM
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