What are Schwann cells and their function?

Schwann cell is A type of glial cell of the peripheral nervous system that helps separate and insulate nerve cells.

it's function are:

1.Schwann cells serve as the myelinating cell of the PNS

2.it support cells of peripheral neurons.

3.it forms a myelin sheath by wrapping its plasma membrane concentrically around the inner axon.

4.it helps to separate and insulate nerve cells.

schwann cells serve as the myelinating cell of the PNS and support cells of peripheral neurons . A schwann cell forms a myelin sheath bt wrapping it's plasma membrane concentrically around the inner axon .

STRUCTURE

schwann cells are variety of glial cells that keep peripheral neuron fibres ( both myelinating and unmyelinating ) alive .In myelinated axons , schwann cells form the myelin sheath . The sheath is not continuous

FUNCTION

one of the most important function of the schwann cells is to myelinate the axons of the PNS . myelin whuch is a fatty layer thst insulates the axon , helps to increase the saltatory condunction of neuron . A myelinating schwann cells wraps around a single axon.

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