| AC | acid ceramidase |
| ACER2 | plasma membrane ceramidase |
| ACER3 | golgi ceramidase |
| ASAH1 | lysosomal ceramidase |
| ASAH2 | endoplasmic reticulum and Golgi ceramidase |
| Cer | ceramide |
| Cer-1P | ceramide-1-phosphate |
| CERK | ceramide kinase |
| CERS1,2,5,6 | ceramide synthases |
| DEGS1 | dihydroceramide desaturase |
| dhCer | dihydroceramide |
| dhSph | dihydrosphingosine |
| dhSph-1P | dihydrosphingosine-1-phospate |
| FD | Farber disease |
| GBA1 | glucosylceramidase beta1 |
| GluCer | glucosylceramide |
| HexCer | hexosylceramide |
| SGMS1 | sphingomyelin synthase 1 |
| SM | sphingomyelin |
| SMA | spinal muscular atrophy |
| SMA-PME | spinal muscular atrophy with progressive myoclonic epilepsy |
| SMPD1 | lysosomal sphingomyelin phosphodiesterase 1 |
| SMPD2 | neutral sphingomyelin phosphodiesterase 2 |
| Sph | sphingosine |
| Sph-1P | sphingosine-1-phospate |