what is a stem cell kid definition
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- Stem cell. Stem cells are cells which are not terminally differentiated and are therefore able to produce cells of other types. Medical researchers hope they can be used to grow specific tissues or organs.There are three types of stem cells: totipotent, pluripotent, and multipotent.A single totipotent stem cell can grow into an entire organism.nother controversy in the use of embryonic stem cells is the use of therapeutic cloning. This involves the cloning of early embryos from which stem cells are harvested, providing a larger source of the cells. Many see this as encouraging human cloning, which they think could be dangerous or unethical.
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Where do you get stem cells from? Stem cells are the body's raw materials — cells from which all other cells with specialized functions are generated. Under the right conditions in the body or a laboratory, stem cells divide to form more cells called daughter cells. These daughter cells either become new stem cells (self-renewal) or become specialized cells (differentiation) with a more specific function, such as blood cells, brain cells, heart muscle or bone. No other cell in the body has the natural ability to generate new cell types.
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Can Stem Cell Plant-Based be an Alternative to Embryonic Stem Cell? Stem cell nutrition is the organic and all-natural way to stimulate the bone marrow to release adult stem cells into the bloodstream. By taking stem cell nutrition, you can maintain optimum health and aid your body in healing itself.
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Stem cell laws and policy in the United States Embryonic stem cells are pluripotent stem cells derived from the inner cell mass of the blastocyst. These stem cells can differentiate into all other cells in the human body and are the subject of much scientific research.
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What is a Stem Cell? A stem cell is essentially a “blank” cell, capable of becoming another more differentiated cell type in the body, such as a skin cell, a muscle cell, or a nerve cell.
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- Stem cells are cells that develop into different cell types in the body during growth. Different parts of your body are made up of different kinds of cells. Stem cells are not specific to one area in the body and can turn into skin, bone, blood or brain cells.tem cells are cells that develop into different cell types in the body during growth. Different parts of your body are made up of different kinds of cells. Stem cells are not specific to one area in the body and can turn into skin, bone, blood or brain cells.
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Stem cells: What they are and what they do These stem cells come from embryos that are three to five days old. At this stage, an embryo is called a blastocyst and has about 150 cells. These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body.esearchers and doctors hope stem cell studies can help to: 1  Increase understanding of how diseases occur. 2  By watching stem cells mature into cells in bones, heart muscle, nerves, and other organs and tissue, researchers and doctors may better understand how diseases and conditions develop.
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Stem cell In mammals, there are two broad types of stem cells: embryonic stem cells, which are isolated from the inner cell mass of blastocysts, and adult stem cells, which are found in various tissues. In adult organisms, stem cells and progenitor cells act as a repair system for the body, replenishing adult tissues.dult stem cells are frequently used in medical therapies, for example in bone marrow transplantation. Stem cells can now be artificially grown and transformed (differentiated) into specialized cell types with characteristics consistent with cells of various tissues such as muscles or nerves.
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Stem-cell line A stem-cell line is a group of stem cells that is cultured in vitro and can be propagated indefinitely. Stem-cell lines are derived from either animal or human tissues and come from one of three sources: embryonic stem cells, adult stem cells, or induced stem cells. stem-cell line is a group of stem cells that is cultured in vitro and can be propagated indefinitely. Stem-cell lines are derived from either animal or human tissues and come from one of three sources: embryonic stem cells, adult stem cells, or induced stem cells.
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NK cell A precursor cell that can also give rise to identical precursor cells: daughters of a stem cell can develop into a terminally-differentiated cell type or they can remain a stem cell.
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Adult stem cell Pluripotent stem cells, i.e. cells that can give rise to any fetal or adult cell type, can be found in a number of tissues, including umbilical cord blood. Using genetic reprogramming, pluripotent stem cells equivalent to embryonic stem cells have been derived from human adult skin tissue.
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Bone Marrow and the Immune System Bone marrow is the spongy tissue inside our bones. All bones in newborn babies have active marrow, which means they are producing new marrow cells. By the time your child reaches young adulthood, the marrow inside the bones of the hands, feet, arms, and legs stop producing new marrow cells.nside the marrow, blood cells start off as young, immature cells called stem cells. Once they develop, blood cells do not live for a long time inside our bodies. This is why our marrow continuously produces all three types of blood cells to keep us healthy.
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stem cell stem cell n. An unspecialized cell that gives rise to a specific specialized cell, such as a blood cell. stem cell. An unspecialized cell found in fetuses, embryos, and some adult body tissues that has the potential to develop into specialized cells or divide into other stem cells.
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Stem cell This article is about the cell type. For the medical therapy, see Stem cell therapy. Stem cells are undifferentiated biological cells that can differentiate into specialized cells and can divide (through mitosis) to produce more stem cells. They are found in multicellular organisms.
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Stem Cell Basics III. Embryonic stem cells, as their name suggests, are derived from embryos. Most embryonic stem cells are derived from embryos that develop from eggs that have been fertilized in vitro —in an in vitro fertilization clinic—and then donated for research purposes with informed consent of the donors.
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- Embryonic stem cell. Also called ES cells, embryonic stem cells are cells derived from the inner cell mass of developing blastocysts. An ES cell is self-renewing (can replicate itself), pluripotent (can form all cell types found in the body) and theoretically is immortal.
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stem cell stem cell. noun. Definition of stem cell for English Language Learners. : a simple cell in the body that is able to develop into any one of various kinds of cells (such as blood cells, skin cells, etc.)
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Stem cell Stem cells are undifferentiated biological cells that can differentiate into specialized cells and can divide (through mitosis) to produce more stem cells.dult stem cells are frequently used in medical therapies, for example in bone marrow transplantation. Stem cells can now be artificially grown and transformed (differentiated) into specialized cell types with characteristics consistent with cells of various tissues such as muscles or nerves.
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Stem Cell Basics IV. IV. An adult stem cell is thought to be an undifferentiated cell, found among differentiated cells in a tissue or organ. The adult stem cell can renew itself and can differentiate to yield some or all of the major specialized cell types of the tissue or organ.The primary roles of adult stem cells in a living organism are to maintain and repair the tissue in which they are found.he adult stem cell can renew itself and can differentiate to yield some or all of the major specialized cell types of the tissue or organ. The primary roles of adult stem cells in a living organism are to maintain and repair the tissue in which they are found.
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Precursor cell In cytology, a precursor cell, also called a blast cell or simply blast, is a type of partially differentiated, usually unipotent cell that has lost most or all of the stem cell multipotency.Usually a precursor cell is a stem cell which has the capacity to differentiate into only one cell types.Sometimes precursor cell is used as an alternative term for unipotent stem cells. A blastoma is a type of cancer created by malignancies of precursor cells.In embryology, precursor cells are a group of cells that differentiate later into one organ.ometimes precursor cell is used as an alternative term for unipotent stem cells. A blastoma is a type of cancer created by malignancies of precursor cells. In embryology, precursor cells are a group of cells that differentiate later into one organ.
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- noun. The cell that is capable of developing into any cell type. Supplement. In a developing embryo, totipotent stem cells are able to produce every cell type in an embryo, including the extraembryonic tissue. Compare: unipotent cell, multipotent cell, pluripotent cell.See also: potency.User Contributions / Comments: 1  Eeiren:n a developing embryo, totipotent stem cells are able to produce every cell type in an embryo, including the extraembryonic tissue. Compare: unipotent cell, multipotent cell, pluripotent cell. See also: potency. User Contributions / Comments: 1  Eeiren:
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- Totipotent stem cells. Stem cells that can give rise to all cell types that are found in an embryo, fetus, or developed organism, including the embryonic components of the trophoblast and placenta required to support development and birth.mbryonic stem cell. Also called ES cells, embryonic stem cells are cells derived from the inner cell mass of developing blastocysts. An ES cell is self-renewing (can replicate itself), pluripotent (can form all cell types found in the body) and theoretically is immortal.
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Stem cell Adult stem cells, also called somatic (from Greek σωματικoς, σωματικóς of the) body stem, cells are stem cells which maintain and repair the tissue in which they are. Found they can be found in, children as well as. adults
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- Stem Cells as Vehicles for Gene Therapy. Stem cells can be classified as embryonic or adult, depending on their tissue of origin. The role of adult stem cells is to sustain an established repertoire of mature cell types in essentially steady-state numbers over the lifetime of the organism.ene therapy can be performed either by direct transfer of genes into the patient or by using living cells as vehicles to transport the genes of interest. Both modes have certain advantages and disadvantages. Direct gene transfer is particularly attractive because of its relative simplicity.
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What are Stem Cells? Adult stem cells. These are obtained from some tissues of the adult body. The most commonly used example is the bone marrow. Bone marrow is a rich source of stem cells that can be used to treat some blood diseases and cancers. Discovery of stem cells Scientists first studied the potential of stem cells in mouse embryos over two decades ago.
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- Pluripotent stem cell. Definition. noun. The stem cell having the ability to differentiate into more than one cell type. Supplement. The term pluripotent is used for some stem cells to identify them from other stem cells that are totipotent. The pluripotent stem cells are in fact derived from totipotent stem cells. The pluripotent stem cells can develop into any cell type except for the extraembryonic tissue. Compare: unipotent cell, totipotent cell, multipotent cell. Please contribute to this project, if you have more information about this term feel free to edit this page. This page was last modified on 17 November 2008, at 04:20.This page has been accessed 29,662 times. What links here | Related changes | Permanent link.