Textbook Depictions of Neurons May Be Wrong, According to Controversial Study

In the late 1800s, Spanish neuroscientist Santiago Ramón y Cajal drew hundreds of images of neurons. His exquisite work influenced our understanding of what they look like: Cells with a bulbous center, a forest of tree-like branches on one end, and a long, smooth tail on the other. Centuries later, these images remain textbook. But […]