and swells with blood which causes the erection. The scrotum is a pouch of loose skin below the base of the penis that has two compartments that holds the testicles. The testicles are a part of the internal sex organs and are in charge of making sperm and testosterone. When it comes to talking about a woman’s sex organs it is not as easy as talking about a man’s. The mons veneris consists of fatty tissue that covers the joint of the pubic bones. The labia majora are large folds of skin that
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Class: MA111 In Vitro Fertilization (IVF) is a process of fertilizing an egg with sperm outside the body. It’s a major infertility treatment when other methods of assisted reproductive technology have failed. The process of IVF involves monitoring and stimulating a women’s ovulation process, removing an ovum or ova (egg or eggs) from the women’s ovaries, added the sperm to fertilize the egg or eggs. Once the egg has been fertilized it becomes a zygote and will be cultured for 2-6 days, when
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Introduction The new reproductive technology (NRT) is no exception any more, since Louise Brown, the first "test tube" baby, was born on 25 July, 1978 (Simmons, 2009). Before her parents Lesley Brown and John Brown met Drs Edwards and Steptoe, they had been trying to conceive a baby for nine years, but never succeeded. Because Lesley Brown was diagnosed with fallopian tubes obstruction, at that time, it indeed meant hopelessness of being pregnant without a miracle. Then the ungovernable longings
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about 3hundred million sperm enter the vergina soon afterwards millions of them will either flow out of the vergina or die in the civic environment however many survive because of the protective elements provided in the fluid surrounding them, next the sperm must past the cervix and open into the uterus, usually it is tightly closed but for a few days it stays open whilst the woman ovulates, the sperm swim through the cervical mulches, then once inside the cervix the sperm continues swimming towards
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fertilized egg? a. gamete c. sperm b. ovum d. zygote 2. When does a new life start? a. When egg and sperm cells unite b. When mature egg cells leave the ovary c. When sperm cells travel to meet the egg cell d. When an egg cell is fertilized by a sperm cell
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CHAPTER 16 16.1 Male reproductive system I.Since chance of one sperm fertilizing an egg is very slim, strategy is to deliver large number of sperm at one time II.Exist several reproductive organs although only the penis and scrotum are visible III.Testes is site where sperm made A.Differentiate from tissue that become abdominal wall B.Just before birth, testes drop into outpouching of skin & smooth muscle called the scrotum 1.Allows sperm to develop at a temperature a few degrees lower than body temperature
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from each parent (sperm/eggs) ZYGOTE – diploid product of fertilization, new offspring. EXTERNAL FERTILIZATION – males and females release gametes into the same environment and fertilization occurs outside the body. Especially common in aquatic animals. Unique “recognition” proteins on the surface of gametes keep sperm cells from fertilizing eggs of the wrong species. EX. Salmon, sponges, corals, sea urchins, some amphibians INTERNAL FERTILIZATION – a male deposits sperm inside a female’s body
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of human conception, development and birth. The film shows the ovulation process where a mature egg is shed from the ovary containing numerous eggs; which is propelled by blood-engorged fimbriae to the fallopian tube. Consequently, the diagram showing the female reproductive system helps to describe the process of fertilization, after which the muscular contraction and cilia propels the fertilized egg from fallopian tube into the uterus. It also reveals the importance of female sex hormones in regulating
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THE SPERM AND THE EGG 01 The Sperm and the Egg Jessie Stolberg PSY/265 Jori Reijonen, Ph.D THE SPERM AND THE EGG 02 Twenty-six years have passed, and Grace, one of the many
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would happen if meiosis did not occur? Mitosis is the cell process of growth and division whereas meiosis is the process of developing reproductive cells. The sperm and egg are critical components for almost all living organisms. Every living organism begins with one cell that came from our father’s sperm fertilizing our mother’s egg. This beginning cell then divided by mitosis into two cells (called daughter cells) which then grow and divided into four cells. Mitosis continues through when we
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