Marfan syndrome
ORPHA:558Marfan syndrome type 1
ORPHA:284963Marfan syndrome type 2
ORPHA:284973Marin-Amat syndrome
ORPHA:101104Marshall syndrome
ORPHA:560Marshall-Smith syndrome
ORPHA:561MASA syndrome
ORPHA:2466MASS syndrome
ORPHA:99715Mayer-Rokitansky-Küster-Hauser syndrome
ORPHA:3109Mazabraud syndrome
ORPHA:57782Megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome
ORPHA:83473Megalocornea-intellectual disability syndrome
ORPHA:2479MEHMO syndrome
ORPHA:85282Meigs syndrome
ORPHA:314451Melorheostosis with osteopoikilosis
ORPHA:1879MEND syndrome
ORPHA:401973MEPAN syndrome
ORPHA:508093Metaphyseal acroscyphodysplasia
ORPHA:1240Micro syndrome
ORPHA:2510Microcornea-myopic chorioretinal atrophy-telecanthus syndrome
ORPHA:369970Microcornea-posterior megalolenticonus-persistent fetal vasculature-coloboma syndrome
ORPHA:231736Microphthalmia with linear skin defects syndrome
ORPHA:2556Microphthalmia-brain atrophy syndrome
ORPHA:77299Mills syndrome
ORPHA:94091MMEP syndrome
ORPHA:3434MOMO syndrome
ORPHA:2563MORM syndrome
ORPHA:75858Morvan syndrome
ORPHA:83467Moynahan syndrome
ORPHA:2574MRCS syndrome
ORPHA:263347Multinucleated neurons-anhydramnios-renal dysplasia-cerebellar hypoplasia-hydranencephaly syndrome
ORPHA:500135Muscle-eye-brain disease
ORPHA:588Myhre syndrome
ORPHA:2588N syndrome
ORPHA:2608Naegeli-Franceschetti-Jadassohn syndrome
ORPHA:69087Nager syndrome
ORPHA:245NAME syndrome
ORPHA:623NARP syndrome
ORPHA:644Naxos disease
ORPHA:34217Neonatal ichthyosis-sclerosing cholangitis syndrome
ORPHA:59303Neonatal Marfan syndrome
ORPHA:284979Nevo syndrome
ORPHA:2691Nodulosis-arthropathy-osteolysis syndrome
ORPHA:85196Noonan syndrome
ORPHA:648Noonan syndrome-like disorder with loose anagen hair
ORPHA:2701Null syndrome
ORPHA:280234OBSOLETE: Sakati-Nyhan syndrome
ORPHA:3128Oculotrichoanal syndrome
ORPHA:2717