Pio del Rio-Hortega Directory References Discover What Is the Difference Between a Typhoon and a Super Typhoon? Was Santa Claus a Real Person? 12 Novels Considered the “Greatest Book Ever Written” 8 Deadliest Wars of the 21st Century Flags That Look Alike 10 Greatest Baseball Players of All Time 8 of the Largest Empires in History Contents Pio del Rio-Hortega Ask the Chatbot a Question Learn about this topic in these articles:microglia In microglia…and 1921 by Spanish neuroanatomist Pio del Rio-Hortega, who was a student of Spanish histologist Santiago Ramón y Cajal, best known for his work in establishing neurons as the basic units of nervous tissue.Read More