Prompt: A vivid close-up macro portrait of a brain-like fibrous structure, tendril-like fibers twisting and branching off in all directions, bioluminescent nodes embedded within fiber networks pulsating with eerie blue light, intricate details on a cellular level visible, hyperrealistic textures, dramatic backlighting illuminating translucency, in the style of Helena Cristina, Jena Rudy, Tristan Eaton, 3D render, CGI, Octane render, wetlook materials, sharp focus, ArtStation featured work, 8K resolution.