Microphthalmia-brain atrophy syndrome
ORPHA:77299MOMO syndrome
ORPHA:2563Monosomy 18p syndrome
ORPHA:1598Monosomy 18q syndrome
ORPHA:1600Monosomy 9p syndrome
ORPHA:261112Multiple endocrine neoplasia type 2A
ORPHA:247698Multiple synostoses syndrome
ORPHA:3237Muscle-eye-brain disease
ORPHA:588Myelodysplastic syndrome associated with isolated del(5q) chromosome abnormality
ORPHA:86841N syndrome
ORPHA:2608Naegeli-Franceschetti-Jadassohn syndrome
ORPHA:69087Nager syndrome
ORPHA:245NAME syndrome
ORPHA:623NARP syndrome
ORPHA:644Naxos disease
ORPHA:34217Nelson syndrome
ORPHA:199244Neonatal ichthyosis-sclerosing cholangitis syndrome
ORPHA:59303NESCAV syndrome
ORPHA:662367NEVADA syndrome
ORPHA:370059Nevo syndrome
ORPHA:2691Nicolau syndrome
ORPHA:664787NOCARH syndrome
ORPHA:619363Nodulosis-arthropathy-osteolysis syndrome
ORPHA:85196Noonan syndrome
ORPHA:648Noonan syndrome-like disorder with juvenile myelomonocytic leukemia
ORPHA:363972Null syndrome
ORPHA:280234Oculocerebrorenal syndrome of Lowe
ORPHA:534Oculodentodigital dysplasia
ORPHA:2710Oculogastrointestinal-neurodevelopmental syndrome
ORPHA:611201Oculotrichoanal syndrome
ORPHA:2717Oley syndrome
ORPHA:79458Onycho-tricho-dysplasia-neutropenia syndrome
ORPHA:2739Ophthalmomandibulomelic dysplasia
ORPHA:2741Opsoclonus-myoclonus syndrome
ORPHA:1183Osteosclerotic bone dysplasia
ORPHA:1832Otofaciocervical syndrome
ORPHA:2792Pai syndrome
ORPHA:1993Painful legs and moving toes syndrome
ORPHA:617440PASS syndrome
ORPHA:641385PEHO syndrome
ORPHA:2836POEMS syndrome
ORPHA:2905Port-wine nevi-mega cisterna magna-hydrocephalus syndrome
ORPHA:2703Primary basilar invagination
ORPHA:2285Progressive hemifacial atrophy
ORPHA:1214Progressive supranuclear palsy
ORPHA:683Proteasome-associated autoinflammatory syndrome
ORPHA:324977Proximal myotonic myopathy
ORPHA:606Ramon syndrome
ORPHA:3019