Stem Cell
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Title
Stem Cell
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Medium
Photograph - Photograph
Description
Stem cell, coloured scanning electron micrograph (SEM). Stem cells can differentiate into any other cell type. There are three main types of mammalian stem cell: embryonic stem cells, derived from blastocysts; adult stem cells, which are found in some adult tissues; and cord blood stem cells, which are found in the umbilical cord. The cell seen here is destined to become a blood cell. During blood cell development in adults, stem cells develop through a process known as haemopoiesis. Some red blood cells (erythrocytes) can be seen here (red). Blood cells have short lifespans and are therefore constantly produced by the bone marrow.
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October 7th, 2018
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