this reminds me of sheet music for some reason

Camillo Golgi, Olfactory Bulb, 1875.

“This 1875 drawing of a dog’s olfactory bulb by Camillo Golgi is but one of the many astonishing architectures that were revealed by a staining method that bears his name. Its application to the study of nervous tissue marks the beginning of modern neuroscience.”

– Carl Schoonover, Portraits of the Mind: Visualizing the Brain from Antiquity to the 21st Century