Download Free Medical Female Reproductive System PowerPoint Presentation

Female Reproductive System PowerPoint Presentation

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Description : Download free Female Reproductive System PowerPoint presentation with slides on Female Reproductive System and pregnancy.

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Published on : Aug 17, 2017 | Views : 6526 | Downloads : 74

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lolliwels

really helpful, gave me some great ideas for delivering this to my students, thank you!

Transcript

Slide 1-

Female Reproductive System
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Female Reproductive System Produce sex hormones Estrogen, Progesterone Produce egg (ova) Support & protect developing embryo Give birth to new baby
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Major Organs Cervix Vagina Ovaries [gonads] Uterine tubes [fallopian tubes] Uterus
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The Cervix The lower portion or neck of the uterus. The cervix is lined with mucus, known as cervical mucus Cervical mucus provides lubrication & sperm transport during sexual intercourse During ovulation secretion of cervical mucus increases in response to estrogen But when an egg is ready for fertilization, the mucus then becomes thin and slippery, offering a “friendly environment” to sperm
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At the end of pregnancy The cervix acts as the passage through which the baby exits the uterus into the vagina. The cervical canal expands to roughly 50 times its normal width for the passage of the baby during birth The Cervix
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The Vagina A muscular, ridged sheath connecting the external genitals to the uterus. Functions as a two-way street, accepting the penis and sperm during intercourse Serving as the avenue of birth through which the new baby enters the world
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External genetalia Vulva—which runs from the pubic area downward to the rectum. Labia minora or "lesser lips" are the thin hairless ridges at the entrance of the vagina, which joins behind and in front. In front they split to enclose the clitoris The clitoris is a small pea-shaped structure. It plays an important part in sexual excitement in females. Labia majora or "greater lips" are the part around the vagina containing two glands (Bartholin’s glands) which helps lubrication during intercourse.
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External genetalia The urethral orifice or external urinary opening is below the clitoris on the upper wall of the vagina and is the passage for urine Opening of the vagina is separate from the urinary opening and located below it. The hymen is a thin cresentic fold of tissue which partially covers the opening of the vagina. medically it is no longer considered to be a 100% proof of female virginity.
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Ovaries Also known as female gonads They produce eggs (also called ova) every female is born with a lifetime supply of eggs They also produce hormones: Estrogen & Progesterone
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Fallopian tubes [uterine tubes] Stretch from the uterus to the ovaries and measure about 8 to 13 cm in length. The ends of the fallopian tubes lying next to the ovaries feather into ends called fimbria Millions of tiny hair-like cilia line the fimbria and interior of the fallopian tubes. The cilia beat in waves hundreds of times a second catching the egg at ovulation and moving it through the tube to the uterine cavity. Fertilization typically occurs in the fallopian tube
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Uterus Pear-shaped muscular organ in the female reproductive tract. The fundus is the upper portion of the uterus where pregnancy occurs. The cervix is the lower portion of the uterus that connects with the vagina and serves as a sphincter to keep the uterus closed during pregnancy until it is time to deliver a baby. The uterus expands considerably during the reproductive process. The organ grows to from 10 to 20 times its normal size during pregnancy.
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Uterus The main body consists of a firm outer coat of muscle (myometrium) and an inner lining of vascular, glandular material (endometrium). Pregnancy occurs when the fertilized egg implants successfully into the endometrial lining. The endometrium thickens during the menstrual cycle to allow implantation of a fertilized egg.
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Endometrium The endometrium is the innermost layer as a lining for the uterus During the menstrual cycle, the endometrium grows to a thick, blood vessel-rich, glandular tissue layer. This represents an optimal environment for the implantation of a blastocyst upon its arrival in the uterus.
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Endometrium The endometrium is central, echogenic (detectable using ultrasound scanners), and has an average thickness of 6.7 mm. During pregnancy, the blood vessels in the endometrium further increase in size and number, forming the placenta, Placenta supplies oxygen and nutrition to the embryo & fetus.
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