Glial cells

Different types of glial cells and their functions

Glial cells are a diverse group of cells. They are responsible for various different functions from protecting the brain and making it work better.

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Read about a study showing that astrocytes, cells that usually protect neurons, become reactive in the presence of inflammatory molecules.

Illustration about Vector Illustration of microglia. Neuroglia glial cell. Illustration of care, microglia, icon - 155443439

Glial cells are non-neuronal cells found within the brain and the rest of the nervous system. There are approximately 60 billion glia to 16 billion neurons within the cortex, but only 16 billion glia to 69 billion neurons in the cerebellum.

Nerve tissue is specialized for chemical and electrical communication and consists of neurons and supporting cells, called glial cell. Glial cells constitute most of the volume of nervous tissue. They protect and assist neurons by communication, but do not transmit long-distance signals. See chapter 12 for more detail on neurons and glial cells.

The main difference between neurons and glial cells is that neurons are the structural and functional units of the nervous system whereas glial cells are..