title: Retinal and cerebellar changes in early fetal Sandhoff disease (GM2-gangliosidosis type 2).
mesh_terms: D000328:Adult; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis / Q000473:pathology*; D005865:Gestational Age; D006596:Hexosaminidases / Q000172:deficiency; D006801:Humans; D007425:Intracellular Membranes / Q000648:ultrastructure; D008247:Lysosomes / Q000201:enzymology; D009474:Neurons / Q000648:ultrastructure; D011247:Pregnancy; D011689:Purkinje Cells / Q000648:ultrastructure*; D012160:Retina / Q000648:ultrastructure*; D012497:Sandhoff Disease / Q000175:diagnosis / Q000473:pathology*
chemical_list: D006596:Hexosaminidases