what are the two types of stem cells called?
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Tissue-specific stem cells (also referred to as somatic or adult stem cells) are more specialized than embryonic stem cells. Typically, these stem cells can generate different cell types for the specific tissue or organ in which they live.
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Stem cells are found in the bone marrow, blood and umbilical cord blood. Stem cells develop into blood cells in the bone marrow. When blood cells are mature and able to function, they leave the bone marrow and move into the blood. In adults, most stem cells are found in the bone marrow.
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Structure. There are two types of cells within the heart: the cardiomyocytes and the cardiac pacemaker cells.
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Stem cells are cells that can replicate and can turn into any of some variety of cells. Potentially, stem cells may be useful in replenishing missing or defective cell populations in an organism. Cloning (in this context) involves growing a new organism from a single cell of an old organism.
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Adult (or somatic) stem cells are present throughout the human body [amongst other specialised tissue cells]. They exist in order to repair and maintain surrounding specialised tissues. As these cells are unspecialised, stem cell anatomy is that of a simple cell.
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['Stem cells are cells that have not undergone differentiation . A cell which has not yet become specialised is called undifferentiated.', 'An embryo develops from a fertilised egg. ... ', 'Adult stem cells are unspecialised but can become specialised much later than embryonic stem cells.']
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Pluripotent stem cells Pluripotent stem cells are the origin of all somatic and germ-line cells in the developing embryo. ... Adult stem cells are thought to be tissue-specific and only able to differentiate into progeny cells of their tissues of origin.
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Reviewed by Hannah Simmons, M.Sc. Any cell type in a multicellular organism, except germline cells, is called a somatic cell. In contrast, stem cells are unspecialized cells with self-renewal capacity that can divide limitlessly to produce new stem cells, as well can differentiate to different cell types in the body.
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Furthermore, whereas animal stem cells are in general responsible for maintaining a specific tissue, plant stem cells generate complete organs, and as such resemble animal pluripotent embryonic stem (ES) cells.
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How is a stem cell different from a differentiated cell? Stem cells have the potential to become any type of cell once they are further along in development. Differentiated cells, on the other hand, already have a set purpose and can only become one type of cell when they develop and mature.
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Embryonic stem cells (ESCs) are derived from the embryo and have the potential to become all the different cell types of the body (pluripotency). ... Cord blood stem cells are a type of somatic stem cell. Somatic stem cells are restricted in the types of cells they can produce in the lab.
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Two Types of Cells. There are two cell types: prokaryotes and eukaryotes. Prokaryotic cells are usually single-celled and smaller than eukaryotic cells. Eukaryotic cells are usually found in multicellular organisms, but there are some single-celled eukaryotes.
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Somatic cells are adult stem cells. They are found pretty much everywhere in your body as they are the cells that replace old ones, repair damage, and contribute to growth and development. During mitosis, a somatic cell duplicates its DNA and divides, creating two identical cells.
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You have two types of cells in your body: somatic cells, and germ cells. Somatic cells are your body cells. They undergo mitosis when they need to divide.
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Amniotic stem cells. Amniotic stem cells are the mixture of stem cells that can be obtained from the amniotic fluid as well as the amniotic membrane. They can develop into various tissue types including skin, cartilage, cardiac tissue, nerves, muscle, and bone.
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Embryonic stem cells are pluripotent, meaning they are able to grow (i.e. differentiate) into all derivatives of the three primary germ layers: ectoderm, endoderm and mesoderm. In other words, they can develop into each of the more than 200 cell types of the adult body as long as they are specified to do so.
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A living thing can be composed of either one cell or many cells. There are two broad categories of cells: prokaryotic and eukaryotic cells.