The Biology Of Glial Cells , Where Are Glial Cancer Cells

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Function Of Glial Cells

Function Of Glial Cells

Our nervous system has very few neurons as compared to the neuroglial cells. The ratio of neurons versus neuroglial cell is approximately 1:10. Neuroglial cells are found both in vertebrates and invertebrates. They unlike neurons lack axons, form no synapses and have the capability of dividing throughout the life span. Though neuroglia and neurons lie close by but there is no direct intersection specialization like gap junctions between them. Originally neuroglia was believed to support the structure for neurons. However, research proved that there are other functions that neuroglia performs like oligodendrocytes or Schwann cells producing a myelin sheath circling the neuronal axons. Below are mentioned the various kinds of neuroglia found and their functions. More...

The Biology Of Glial Cells

The Biology Of Glial Cells

The human brain is regarded as the control center for all our activities. The first thought one gets on mentioning brain is the network of nerves and billions of neurons which constitute the nervous system. There are other cells also in the brain called glial cells which are ten to fifty times higher in number as compared to neurons. More...

Where Are Glial Cancer Cells ?

Where Are Glial Cancer Cells ?

Neurons can never be the cause for any brain tumors. Neurons by nature are incapable of dividing and growing, which is how any form of cancer spreads. Most brain tumors as a matter of fact originate from other cells that functionally nourish or support the neurons. These cells are known as glial cell and are the cause for gliomas, a type of brain tumor that not only causes brain damage but also invades into the soft brain tissues. More...

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