Figs. 53–55.
GM1 gangliosidosis type II. Microscopic section of spinal cord showing large vacuolated anterior motor neurons. PAS stain; (54) GM1 gangliosidosis type II. Electron micrograph of cerebral cortical neuron. Membranous cytoplasmic bodies (MCB) in neuronal perikaryon; (55) GM1 gangliosidosis type II. Electron micrograph of cerebral cortical neuron. The cytoplasm is filled with pleomorphic lipid bodies (PLB).