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Concept UI
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M0001890
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Scope Note
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A class of large neuroglial (macroglial) cells in the central nervous system - the largest and most numerous neuroglial cells in the brain and spinal cord. Astrocytes (from "star" cells) are irregularly shaped with many long processes, including those with "end feet" which form the glial (limiting) membrane and directly and indirectly contribute to the BLOOD-BRAIN BARRIER. They regulate the extracellular ionic and chemical environment, and "reactive astrocytes" (along with MICROGLIA) respond to injury.
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Terms
- Astrocytes Preferred Term
Term UI T003750
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1975)
- Astroglia
Term UI T003751
Date08/27/1992
LexicalTag NON
ThesaurusID NLM (1994)
- Astroglial Cells
Term UI T000999262
Date11/22/2019
LexicalTag NON
ThesaurusID NLM (2021)
- Astroglia Cells
Term UI T000999263
Date11/22/2019
LexicalTag NON
ThesaurusID NLM (2021)