Neuroglia and Polydendrocytes

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Difference between Neuroglia and Polydendrocytes

Neuroglia vs. Polydendrocytes

Neuroglia, also called glial cells or simply glia, are non-neuronal cells in the central nervous system (brain and spinal cord) and the peripheral nervous system. Polydendrocytes (also known as NG2 cells, NG2 glia, or oligodendrocyte progenitor cells) are process-bearing glial cells (neuroglia) in the mammalian central nervous system (CNS) that are identified by the expression of the NG2 chondroitin sulfate proteoglycan (CSPG4) and the alpha receptor for platelet-derived growth factor (PDGFRA).

Action potential

In physiology, an action potential occurs when the membrane potential of a specific axon location rapidly rises and falls: this depolarisation then causes adjacent locations to similarly depolarise.

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Astrocyte

Astrocytes (Astro from Greek astron.

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Central nervous system

The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.

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Microglia

Microglia are a type of neuroglia (glial cell) located throughout the brain and spinal cord.

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Myelin

Myelin is a lipid-rich substance that surrounds the axon of some nerve cells, forming an electrically insulating layer.

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Neuron

A neuron, also known as a neurone (British spelling) and nerve cell, is an electrically excitable cell that receives, processes, and transmits information through electrical and chemical signals.

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Neurotransmitter

Neurotransmitters are endogenous chemicals that enable neurotransmission.

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Oligodendrocyte

Oligodendrocytes, or oligodendroglia,.

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Oligodendrocyte progenitor cell

Oligodendrocyte progenitor cells (OPCs), also known as oligodendrocyte precursor cells, NG2-glia or polydendrocytes, are a subtype of glial cells in the central nervous system.

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Spinal cord

The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.

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Subventricular zone

The subventricular zone (SVZ) is a term used to describe both embryonic and adult neural tissues in the vertebrate central nervous system (CNS).

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Synapse

In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or to the target efferent cell.

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