Doing some literature research and found this paper from 1986! about the beta cell primary cilium: https://t.co/mvyfO0UW7s Cool EM with serial sections and look at this beautiful drawing! https://t.co/yf7UrmIrqd

'Using a microscope, Paul Langerhans jump-started the islet research field when he visualized “. . . small cells of almost perfect homogeneous content & of a polygonal form, with round nuclei without nucleoli,mostly lying together in pairs or small groups” https://t.co/1Lwn1cqXQW https://t.co/dlGuzr66OG

I've been looking for this pdf like forever, and it just popped up in a Google search. Tsukita & Ishikawa 1981 serial EM section study of axonal microtubules, with a real wire-built model https://t.co/HbM8WkhEG9 https://t.co/rfutGmmOsi