Neuroglia -

: These cells produce myelin , a fatty sheath that wraps around axons to speed up electrical signals.

Neuroglia are categorized by their location in either the Central Nervous System (CNS) or the Peripheral Nervous System (PNS). Central Nervous System (CNS) neuroglia

: These line the brain's ventricles and help produce and circulate cerebrospinal fluid (CSF) using hair-like cilia. Peripheral Nervous System (PNS) : These cells produce myelin , a fatty

: The brain’s resident immune cells. They act as macrophages, scavenging for dead cells, debris, and pathogens. Peripheral Nervous System (PNS) : The brain’s resident

Neuroglia, often called the "unsung heroes" of the nervous system, are non-neuronal cells that outnumber neurons and provide the essential support framework for the brain and spinal cord. While neurons handle information processing, neuroglia manage everything from immune defense to the physical insulation of nerve fibers. 🧠 Major Types of Neuroglia

: Surround neuron cell bodies in ganglia to provide physical support and regulate their chemical environment.

: Function similarly to oligodendrocytes by forming myelin sheaths around axons in the PNS, but also aid in nerve regeneration.