Cajal’s cortex drawings
Three drawings by Santiago Ramon y Cajal, taken from the book Comparative study of the sensory areas of the human cortex, pages 314, 361, and 363. Left: Nissl-stained visual cortex of a human adult. Middle: Nissl-stained motor cortex of a human adult. Right: Golgi-stained cortex of a 1 1/2 month old infant.