Sentences with phrase «of a fertilized egg in»

(Rabbit trail: The fact that a woman's body naturally rejects hundreds of fertilized eggs in her lifetime raises some questions in my mind about where we draw the line regarding the personhood of a zygote.

preventing buildup of the uterine lining, and thereby inhibiting implantation of a fertilized egg in the event that one arrives in the uterus.

Not exact matches

In this study, Dr. Yasuoka prepared the so - called «head organizer co.cktail» comprised of several proteins required for head formation during early development of a fertilized egg and introduced it into a frog embryo.

Hence, the 3 - 4 day average life span of sperm in the uterus, may wander around as much as they like, however, they will never reach the any egg to fertilize it!

The issue is not that fertilized eggs are potential people, but that they are, in fact, human beings from the moment of conception.

When you consider the billions of fertilized eggs that never implanted or failed to thrive after implantation, you have to realize that nature (or god) does not hesitate to allow those potential people to be discarded en mass in the process of procreation.

There are some in the anti-abortion movement who believe with every fiber in their being that life begins when the fertilized egg is implanted — of course the ones who believe in this AND believe in birth control, better funding of birth control and the like are in the minority.

RU - 486, which is not for sale in the U.S., blocks cells in the uterus from receiving the natural hormone progesterone, the function of which is to prepare the lining of the uterus to receive and sustain a fertilized egg.

Francis Crick, the Nobel laureate and biophysicist, is quoted as having estimated that «the amount of information contained in the chromosomes of a single fertilized human egg is equivalent to about a thousand printed volumes of books, each as large as a volume of the Encyclopedia Britannica.»

Hartshorne has no patience for those holding a genetic view of personhood, who claim that the potential represented in a fertilized human egg cell is equivalent to an actual person.

For a summary of some of the scientific research which supports the view that the fetus is not a prepackaged human being (e.g., even something so relatively simple as a fingerprint arises at least in part due to chance events not present in a fertilized egg) see Charles Gardner, «Is an Embryo a Person?

Theists quite properly see the hand of God at work in major evolutionary changes such as the origin of life, but also in such everyday occurrences as the development of a fertilized egg into a cocker pup, and too in the social turmoil — including very real moral and physical evil — that accompanies economic, technological, and intellectual change.

With regard to Callahan's comparison of the lives of PVS patients with the lives of «fertilized eggs,» I would simply note that once an egg has been fertilized it is no longer an egg but a new living being, and in the case of the human species, a new human being — surely a being of incomparably greater value than an «egg.»

They are a radical reduction of the use of sugar, the elimination of coffee and other stimulants, the forswearing or minimal use of alcoholic beverages, the substitution of organically grown vegetables for chemically fertilized ones and the derivation of proteins from beans, whole grains, and, in moderation, eggs and cheese.

In like fashions of an egg being fertilized by a sperm might not a universe enter into another cosmos of the celestial varieties?

In nature, around half of all fertilized eggs (zygotes) are lost before or during the process of implantation — often so early that a woman goes on to get her period at about the expected time.

Mississippi would have become the first state to define a fertilized egg as a person, a measure which was aimed at outlawing abortion in the state but, opponents contended, would have led to all kinds of unintended consequences...

The emergence of mind in the course of individual development from the fertilized egg presents a similar problem and one that is an everyday occurrence instead of a single event in the remote past.

They can block ANY attempt to regulate guns in this country, even after a bunch of kids get their heads blown off, and then go on a rampage in the name of fertilized eggs.

What is the status of all those non-implanted fertilized eggs in heaven?

The Vatican in its Instruction on Respect for Human Life in Its Origin and on the Dignity of Procreation: Replies to Certain Questions of the Day offers an answer: the human being must be respected as a person from the first instance of his or her existence as a fertilized egg.

The DNA in the nucleus of the fertilized egg contains all the instructions needed to make all the different proteins and all the different sorts of structures in all the different sorts of cells in the body.

Ectopic pregnancies happen when a fertilized egg implants someplace other than in the uterus, such as in one of the fallopian tubes.

An ectopic pregnancy is a pregnancy in which the fertilized egg doesn't implant in the wall of the uterus as it should.

The couple uses donor sperm, and the egg, either provided by one of the women or by a donor, is fertilized in our state - of - the - art IVF laboratory.

This amazing transformation from an egg and a little swimmer, to a fertilized egg and, ultimately to a tiny, but fully formed baby takes place in a matter of weeks, and while your baby is developing during this period, she is at her most vulnerable to outside influences.

After the removal and fertilization of eggs with the use of in vitro fertilization (IVF), some women with multiple embryos (fertilized eggs) may decide to have a single embryo transferred to the womb even when multiple embryos are available (elective single embryo transfer eSET).

Cramping or a bit of blood starting a little earlier than you expect your period may be a sign that the fertilized egg is getting attached in the uterus.

ectopic pregnancy, when the fertilized egg implants somewhere other than the uterus, often in one of the fallopian tubes

At this stage, the mature egg that was fertilized in the fallopian tube at the time of ovulation has made its way down into the uterus and has already attached itself to the uterine wall during the implantation process.

Human multiple births can occur either naturally (the woman ovulates multiple eggs or the fertilized egg splits into two) or as the result of infertility treatments such as IVF (several embryos are often transferred to compensate for lower quality) or fertility drugs (which can cause multiple eggs to mature in one ovulatory cycle).

Meanwhile, seven or eight days after a sperm fertilizes an egg in week 4 of pregnancy, a mass of cells — the earliest form of an embryo — implants into the wall of the uterus.

After an egg is released to be fertilized around week 3 of pregnancy, the follicle in the ovary that it came from — called the corpus luteum — collapses, starts producing the hormone progesterone, and provides nourishment and support for an embryo throughout the first trimester of pregnancy.

Tubular (or ectopic) pregnancy is what occurs when a fertilized egg attaches itself outside of the womb, in one of the mother's fallopian tubes.

The right side of the illustration shows dizygotic twinning, in which each of two eggs is fertilized by a sperm and two zygotes are formed, each maturing into a twin.

Research suggests that an increase in scrotal temperature may lower sperm production and possibly affect the ability of the sperm to fertilize an egg.

The egg is fertilized by a sperm then implanted in the in the lining of the uterus to develop to placenta and embryo, and later to fetus.

That man, a deaf, 50 - year - old postal worker from Georgia identified in court papers as «C.M.,» paid Cook to carry anonymously donated eggs he fertilized in the hopes of having children.

Pressure in your abdomen during pregnancy can be associated with a tubal or ectopic pregnancy, when the fertilized egg is actually outside of your uterus.

They made these clones by a process called automatic parthenogenesis: The egg is formed normally (with half the species» usual number of chromosomes), then fertilized by the «polar body,» a cell that is created during oogenesis and contains the same gene copies as the egg, resulting in the shark having half the genetic variation of its mother.

And story number 4: Researchers have found a pair of semi-identical twins that came about when two sperm fertilized a single egg, which then split in two to give rise to two individuals.

«Ladies, this is why fertility declines with age: Age - related female infertility explained by a defect in the choreography of chromosome sharing during cell division in eggs before they are fertilized.»

The film depicts several sperm attempting to fertilize the egg, «zooms in» on one sperm's tail to show how the dynein proteins move in sync to cause the tail to bend and flex, and ends with the sperm's successful journey into the egg and the initiation of cell division that will ultimately create a new organism.

In the new work, Adam G. Jones of the Georgia Institute and his colleagues studied seahorses off the coast of Perth, Australia, in which the female deposits her eggs in a male's brood pouch and he fertilizes and carries the eggs until they hatcIn the new work, Adam G. Jones of the Georgia Institute and his colleagues studied seahorses off the coast of Perth, Australia, in which the female deposits her eggs in a male's brood pouch and he fertilizes and carries the eggs until they hatcin which the female deposits her eggs in a male's brood pouch and he fertilizes and carries the eggs until they hatcin a male's brood pouch and he fertilizes and carries the eggs until they hatch.

In fact, it confers an ad vant age to infected females by killing the eggs of uninfected females fertilized by an infected male.

The method, called somatic cell nuclear transfer (SCNT), replaces the DNA in an egg cell's nucleus with the genetic material from the nucleus of a skin cell, then tricks the egg cell to start dividing as if it had been fertilized with sperm.

Instead, trilobites were most likely spawners — and, in fact, that clustering behavior may be another parallel to horseshoe crabs, which can climb on top of one another in competition to fertilize released eggs.

After mating, the female stashes sperm from several males in a specialized organ called a spermatheca before using some of the stored sperm to fertilize her eggs.

Somehow, scientists know, the genes that control development — generally turned off in adult cells — get turned back on again by the oocyte, enabling the cell to take on the youthful potential of a newly fertilized egg.

For instance, cells from a man's skin could theoretically be used to create eggs that are fertilized with a partner's sperm, then nurtured in the womb of a surrogate.