When the human brain is starved of energy, it may start to 'eat' its own fatty tissue for fuel, according to a pilot study on ...

Schwann cells make myelin in the peripheral nervous system (PNS: nerves) and oligodendrocytes in the central nervous system (CNS: brain and spinal cord). In the PNS, one Schwann cell forms a ...

Toluidine blue staining. Myelin is stained in blue. The nerve tract is filled with ring-shaped structures, indicating a transverse section of myelinated nerve fibers. (D) Electron microscopy of a ...