Category Archives: Word of the week

Word of the week: Embryonic stem cells

These cells can develop into any of the cells found in adult organisms and are formed from the inner cell mass in the blastocyst, about 5 days after fertilization. These are among the most important in stem cell research because … Continue reading

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Word of the week: Therapeutic cloning

Therapeutic cloning is the manipulation of genetic material from either adult, zygotic or embryonic cells in order to alter the functions of cells or tissues for therapeutic purposes.

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Word of the week: Reproductive cloning

Reproductive cloning is the manipulation of genetic material in order to achieve the reproduction of a human being and includes nuclear transfer or embryo splitting for such purpose. The living being is a genetic replica of the source of genetic material.

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Word of the week: Cell line

A cell line is a group of constantly dividing cells. They are obtained from human or animal tissue and can replicate in vitro for a long period of time. One of the more common cell lines is HeLa, which was obtained from Henrietta Lacks, who … Continue reading

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Word of the week: Adult stem cells

An adult stem cells is an undifferentiated cell, which can be found in tissue or organs that can renew themselfes. This means that the adult stem cell can yeild some or all of major specialized cell types in the site were … Continue reading

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Word of the week: Umbilical cord

This is the cord connecting the fetus with the placenta. In the cord there is a blood flow, supplying the fetus with oxygenated, nutrition-rich blood from the blood, and returns the used blood. Blood from the cord and the placenta … Continue reading

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Word of the week: In vitro fertilization (IVF)

IVF simply means fertilization in a dish. This is achieved by obtaining sperm and an egg. Optimal eggs are chosen, and the sperm washed. They are then mixed in a dish, and cultured for approximately 3 days, until the zygote … Continue reading

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