eye retina in sphingolipid storage diseases, 3d

taysachs disease tsd retina autosomal recessive disorder cherry red spot eye genetic gm2 gangliosidosis hexosaminidase deficiency lipid storage lysosomal macula metabolic neurology ocular ophthalmology pathology science sphingolipidosis 3d illustration ophthalmoscope hexa betahexosaminidase human enzyme congenital demyelination diagram gene mutation ganglioside inherited lysosome ashkenazi jew niemannpick dysfunction sphingolipid metabolism neurodegeneration sandhoff