Нашёл 7 млн ответов for 'Brain cell diagram'.
https://www.enchantedlearning.com/subjects/anatomy/brain/Neuron.shtml
https://www.enchantedlearning.com/subjects/biology/cells/
https://en.wikipedia.org/wiki/File:Complete_neuron_cell_diagram_en.svg
https://bodytomy.com/human-brain-diagram
https://bodytomy.com/diagram-of-brain-its-functions
https://celltypes.brain-map.org/
https://portal.brain-map.org/explore/classes/nomenclature
https://mayfieldclinic.com/pe-anatbrain.htm