👉 Microglia is a type of glial cell, which are specialized cells that play important roles in the nervous system. They are found throughout the body and can be present in different tissues like brain, spinal cord, retina, and blood vessels. Microglia have two main functions: they are involved in phagocytosis (the removal of pathogens or foreign substances) and neuroplasticity (the development of new neural connections). Microglia also play a role in the immune system