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Topic: Fertilized egg

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	From fertilized egg to sexually
		Fertility problems in an adult can be due to damage that occurred before they were born.
		The evolution from fertilized egg to sexually mature male is at the center of the department's activities.
		It is the time when a girl develops egg cells and when the boy's immature germ cells are developing.
	www.reproduction.dk /index-filer/Fromfertilizedeggtosexually.htm (908 words)

	Ovum - Wikipedia, the free encyclopedia
		An ovum (loosely, egg or egg cell) is a female sex cell or gamete.
		The egg cell's cytoplasm and mitochondria (and chloroplasts in plants) are the sole means of the egg being able to reproduce by mitosis and eventually form a blastocyst after fertilisation, and the sperm are often too small to contribute anything physical except DNA and its own mitochondria gets destroyed by the egg.
		In the viviparous animals (which include humans and all other placental mammals), the ovum is fertilized inside the female body, and the embryo then develops inside the uterus until it is born.
	en.wikipedia.org /wiki/Egg_cell (353 words)

	PSR
		When the female egg is fertilized by the male sperm during sexual reproduction, the two separate haploid cells fuse together to become one cell called a diploid zygote, meaning it now has 46 chromosomes with 23 coming from each gamete, which develops into a new diploid individual.
		For example, when you were born you inherited 23 chromosomes from your mother, from the fertilized egg, and 23 chromosomes from your father, from the sperm that fertilized the egg.
		She then lays the egg and, through a muscular contraction,, releases the sperm and fertilizes the egg, or closes off the sperm organ and the egg is laid but not fertilized.
	student.biology.arizona.edu /honors98/group15/psr.htm (909 words)

	Larry Schwerzler (Site not responding. Last check: 2007-10-29)
		One side argues that a fertilized egg is a human life and to destroy it would be the equivalent of murder.
		Fertilized eggs don’t hold the basic capabilities to proclaim violations, but they can be imagined as future humans, who would want to secure the safety of their own lives.
		There is an overabundance of fertilized eggs that have only the very slimmest chance of ever being implanted into a couple and becoming more than a frozen fertilized egg.
	students.washington.edu /lschwerz/finalproject.html (1194 words)

	Bugs in the News - What the Heck is an Egg Yolk?
		If the egg is not fertilized, this shedding of the egg and lining causes little blood vessels to open, which results in bleeding until the blood vessels heal (usually very rapidly).
		These chromosomes are introduced into the cytoplasm of the egg cell, and the nucleus of the sperm fuses with the nucleus of the egg and now there is a new nucleus which contains the complete number of chromosomes for a normal cell for that organism, and the development of the embryo.
		After the egg is deposited on the outside of the chicken, with warmth (chicken sitting on it) the fertilized cell within the egg continues to divide and a baby chicken will grow inside, using the nutrients which are coming from the yolk.
	people.ku.edu /~jbrown/yolk.html (760 words)

	Female Infertility
		At midcycle, one egg is released from a follicle in a process known as ovulation.
		After the egg travels along one of the fallopian tubes toward the uterus, it is ready for fertilization by the man's sperm.
		The uterus is the muscular organ where a fertilized egg, or embryo, attaches and develops.
	www.kyfertility.com /femaleinf.htm (1197 words)

	Menstruation, Ovulation, and Fertility (Site not responding. Last check: 2007-10-29)
		Ovulation is the release of the egg from the ovary.
		If the egg is not fertilized, then the lining of the uterus will disintegrate, causing a period.
		If the egg is not fertilized, the production of estrogen and progesterone drops sharply, which triggers the shedding of the endometrium, and the next period.
	www.womenshealth.org /a/menstruation_ovulation_fertility.htm (412 words)

	FEMALE INFERTILITY (Site not responding. Last check: 2007-10-29)
		The embryo is a fertilized egg during the early weeks of growth.
		Or, an egg from the infertile woman may be fertilized in vitro with her own husband's sperm.
		The fertilized egg is removed from her uterus about 4 days later.
	www.medformation.com /ac/mm_qdis.nsf/qd/nd0223g.htm (2047 words)

	When Does Human Life Begin? - No Such Thing as a "Fertilized Egg" (Site not responding. Last check: 2007-10-29)
		After fertilization, the egg no longer exists, and is therefore not a kind of egg at all.
		To speak of unfertilized eggs and fertilized eggs is to suggest that there are two kinds of eggs, as there are, for example, two kinds of tomatoes, unripe and ripe.
		But unfertilized eggs and fertilized eggs are not variations of the same thing, but two realities that are radically different: one is a mere preparation for a person, and the other is that person himself.
	www.tblog.com /templates/index.php?bid=LynnKramer&static=248291 (375 words)

	Zygote Adoption - Adoption Encyclopedia
		The transfer of a fertilized egg to a "gestational mother" who will carry the child to term and deliver and raise the child; also known as embryo adoption or adoptive pregnancy.
		Her husband is sometimes fertile and contributes his sperm.
		In some cases, a donor egg is also used, and the fetus will not be genetically related to either of its ultimate parents.
	encyclopedia.adoption.com /entry/zygote-adoption/378/1.html (460 words)

	The Implications of Defining When a Woman Is Pregnant (Site not responding. Last check: 2007-10-29)
		According to both the scientific community and long-standing federal policy, a woman is considered pregnant only when a fertilized egg has implanted in the wall of her uterus; however, state definitions of pregnancy vary widely.
		Fertilization describes the process by which a single sperm gradually penetrates the layers of an egg to form a new cell ("zygote").
		If fertilization does not occur during that time, the egg dissolves and then hormonal changes trigger menstruation; however, if fertilization does occur, the zygote divides and differentiates into a "preembryo" while being carried down the fallopian tube toward the uterus.
	www.agi-usa.org /pubs/tgr/08/2/gr080207.html (2573 words)

	Chick Development (Site not responding. Last check: 2007-10-29)
		When an egg cell is fertilized by a sperm cell, it begins to undergo many changes.
		Second, the eggs must be kept warm by the female chicken or placed in an incubator for 21 days.
		Eggs purchased in the grocery store usually are not fertilized and have not been incubated.
	web1.caryacademy.org /classes/biology/intro/chick.htm (291 words)

	Fertilized egg cells (mixed sex chromosomes) become embryo, foetus, baby, in uterus (Site not responding. Last check: 2007-10-29)
		An egg cell is visible without a microscope: it is about the size of the full stop at the end of this sentence.
		When the egg cell is not fertilized it leaves the body about two weeks later along with cell material on the inside of the womb, which causes a bleeding (menstruation).
		Once inside the egg cell, the sperm cell moves to the centre and the 23 chromosomes of the two cells link up, so that the fertilized cell contains the 46 chromosomes typical for humans.
	www.nvsh.nl /Website_Engels/Texts/Sex_Society/ID/Heredity_2.htm (841 words)

	[No title]
		Inside the egg is a chicken embryo (a small white dot on the yellow yolk) and stored food (yolk) plus water and minerals (the white) that the embryo needs while it is growing and developing.
		Remember the egg cells in the flower had to be fertilized with male pollen to grow into seeds, and the chicken egg has to be fertilized with sperm from a rooster before it can hold a baby chick embryo.
		Each egg is a jelly ball with a fl dot inside that is the frog embryo and a clear or whitish part that is the embryo's food supply.
	www.cstone.net /~bcp/2/2FSci.htm (7567 words)

	Ectopic pregnancy \| Blueprint for Health (Site not responding. Last check: 2007-10-29)
		Once a month, an egg is produced in a woman's ovary and travels down the fallopian tube where it meets the male's sperm and is fertilized.
		In a normal pregnancy the fertilized egg, or zygote, continues on its passage down the fallopian tube and enters the uterus in three to five days.
		Ectopic pregnancy is also more likely when the ovaries are artificially stimulated with hormones to produce eggs for in vitro fertilization (a procedure in which eggs are taken from a woman's body, fertilized, and then placed in the uterus in an attempt to conceive a child).
	blueprint.bluecrossmn.com /article/gale/100084488 (1999 words)

	Structure and composition (from egg) -- Encyclopædia Britannica (Site not responding. Last check: 2007-10-29)
		They include the shell and shell membranes (10 percent); the albumen or white (60 percent), including the thick albumen, the outer thin albumen, the inner thin albumen, and the chalazae; and the yolk (30 percent).
		In zoology the Latin term for egg, ovum, is frequently used to refer to the single cell, while the word egg may be applied to the entire specialized structure or capsule that consists of the ovum, its various protective membranes, and any accompanying nutritive materials.
		An egg is a single female germ cell, or reproductive cell.
	www.britannica.com /eb/article-50401?tocId=50401 (846 words)

	Chickscope 1.5: Explore: Embryology: Day 1 - The Journey Begins: The Egg Yolk
		In the infertile egg, on the left, the nucleus is merely a light spot on the yolk.
		In the fertilized egg the ovum has fused with a sperm to begin forming an embryo.
		By the time the fertilized egg is laid, many cells are divided on the surface of the yolk and formed a blastoderm.
	chickscope.beckman.uiuc.edu /explore/embryology/day01/yolk.html (163 words)

	Michael H. Goldhaber's Radio Weblog
		In vitro, the fertilized egg has no chance whatsoever to become a human unless it is deliberately implanted in a woman's uterus, and even then the chances are quite small.
		So it is probably accurate to say that a fertilized human egg is statistically unlikely to become a human being, even if the odds are not so heavily stacked against it as for the acorn becoming an oak.
		But if the fertilized egg is thought to represent an individual, that is an indivisible whole that can turn only into a single human, that is of course wrong.
	blogs.salon.com /0002859/2004/07/09.html (1175 words)

	Core Concepts in Health \|
		The initiation of biological reproduction: the union of the nucleus of an egg cell with the nucleus of a sperm cell.
		A hormone produced by the fertilized egg that can be detected in the urine or blood of the mother within a few weeks of conception.
		DNA from the cell of one animal is transferred to an egg from which DNA has been removed; the egg is then placed in a surrogate and develops as though it were an embryo derived from two parents.
	highered.mcgraw-hill.com /sites/0767523704/student_view0/chapter8/glossary.html (844 words)

	IS1610 The Only Good Broiler Breeder Egg Is a Fertilized Egg
		The egg yolk is surrounded by the perivitelline membrane.
		When the egg yolk is mature, it leaves the ovary, and within 20 minutes it is captured by the infundibulum, the first part of the oviduct.
		When the hen lays a fertilized egg, the chick embryo has already developed for about 25 hours into approximately 20,000 embryonic cells and is a live, breathing organism.
	msucares.com /pubs/infosheets/is1610.html (1127 words)

	How Does Pregnancy Happen?
		They join to form a fertilized egg, which attaches itself to the wall of the woman's uterus, where it can grow and develop into a baby over the course of 40 weeks.
		At one point in the cycle, her body creates a potential home for the fertilized egg in the wall of her uterus.
		If the fertilized egg doesn't attach during this part of her menstrual cycle, it's all expelled from her body as part of her period.
	www.pprsr.org /justforteens/howdoespregnancyhappen.cfm (551 words)

	Reproductive System_knowledge.html
		Eggs from the two ovaries are produced on alternative months.
		of a fertilized egg from one of the fallopian tubes.
		In the absence of a fertilized egg, the progesterone level eventually drops.
	www.unis.org /UNIScienceNET/ReprodSyst_knowledge.html (700 words)

	Fertilized Egg (Site not responding. Last check: 2007-10-29)
		English words defined with "fertilized egg": blastomere ♦ Cytula ♦ germ ♦ implantation, in vitro ♦ monozygotic ♦ nidation ♦ zona pellucida.
		Consequently, when the egg and sperm unite to form the fertilized egg, three--rather than two--chromosomes 21 are present.
		Its job is to help prepare your uterus for the arrival of a fertilized egg and to shed this lining if an egg is not fertilized.
	www.websters-online-dictionary.org /fe/fertilized+egg.html (343 words)

	Chemical Abortions
		There is much scientific proof that a unique human being is created after fertilization of the egg by the sperm.
		The picture on the left is a fertilized egg, only thirty hours after conception.
		Preven, at the beginning stage of the baby's development, prevents implanation in the uterus, and RU486 causes the baby to detach from the mother's uterus.
	www.lifesite.net /abortiontypes/chabortion_types.html (1568 words)

	Tanaz Kermani's laboratory report #4
		The third egg did complete the first cleavage but later on due to a possible event of polyspermy, there were too many cleavages and the fertilized egg looked like a mass of irregular cells.
		Their results showed very conclusively that DMSO did not interfere with cleavage and that all the fertilized eggs placed in dish B underwent complete cleavage as in the case of Dish A. Dish C: It contained 1.9 mL of 0.1 Ringer's solution and 100 uL of DMSO in which cytochalasin was dissolved at 200 uL/mL.
		If the frog eggs begin to complete cleavage after the addition of compound A we may conclude that the effect of cytochalasin B on the fertilized frog eggs is reversible.
	departments.oxy.edu /biology/linden/bio220/tanaz.html (1213 words)

	The Facts of Life (Site not responding. Last check: 2007-10-29)
		As soon as the egg is fertilized, it meshes the new DNA into its own and starts using the new information immediately.
		Now, according to every embryology text in the world, as soon as a fertilized egg begins to divide, it is no longer a fertilized egg, she is an embryo.
		In vitro fertilization is, for several reasons, always immoral and this is one of those reasons: the lab technicians have no business acting as parents, yet they do act as parents because they are the ones who conceive the child.
	www.catholicexchange.com /vm/index.asp?vm_id=1&art_id=23035 (1170 words)

	Maguire Farm, Chickens, Chicken, Hen, Hens, Rooster, Roosters
		The hen and the rooster must mate before the egg is laid in order for the egg to be fertilized.
		If you crack a raw egg and there is a red dot inside the egg, that means the egg was fertilized.
		Eggs laid by free range hens are lower in cholesterol than commercial chickens which are caged in small cages.
	www.maguirefarm.com /c/chickens.htm (443 words)

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