| CHIME | coloboma, heart anomaly, ichthyosis, mental retardation, ear abnormality |
|---|---|
| CROME | congenital cataracts-epileptic fits-mental retardation [syndrome] |
| CVG/MR | cutis verticis gyrata/mental retardation [syndrome] |
| DOOR | deafness, onycho-osteodystrophy, mental retardation [syndrome] |
| FMR | fragile site mental retardation [syndrome]; Friend-Moloney-Rauscher [antigen] |