Marie Unna hereditary hypotrichosis
ORPHA:444Marin-Amat syndrome
ORPHA:101104Marinesco-Sjögren syndrome
ORPHA:559Marshall syndrome
ORPHA:560Marshall-Smith syndrome
ORPHA:561Martínez-Frías syndrome
ORPHA:137862Martinique crinkled retinal pigment epitheliopathy
ORPHA:466718MASA syndrome
ORPHA:2466MASS syndrome
ORPHA:99715Mast cell leukemia
ORPHA:98851Mast cell sarcoma
ORPHA:66661Mastocytosis
ORPHA:98292Maternal disease-related embryofetopathy
ORPHA:251535Maternal hyperthermia-induced birth defects
ORPHA:2216Maternal phenylketonuria syndrome
ORPHA:2209Maternal riboflavin deficiency
ORPHA:411712Maternal uniparental disomy of chromosome 1 syndrome
ORPHA:251009Maternal uniparental disomy of chromosome 13 syndrome
ORPHA:97678Maternal uniparental disomy of chromosome 16 syndrome
ORPHA:96185Maternal uniparental disomy of chromosome 2 syndrome
ORPHA:96179Maternal uniparental disomy of chromosome 20 syndrome
ORPHA:96186Maternal uniparental disomy of chromosome 21 syndrome
ORPHA:96187Maternal uniparental disomy of chromosome 22 syndrome
ORPHA:96188Maternal uniparental disomy of chromosome 4 syndrome
ORPHA:96180Maternal uniparental disomy of chromosome 6 syndrome
ORPHA:96181Maternal uniparental disomy of chromosome 9 syndrome
ORPHA:96183Maternal uniparental disomy of chromosome X syndrome
ORPHA:261519Maternal uniparental disomy syndrome
ORPHA:98153Matthew-Wood syndrome
ORPHA:2470Maxillonasal dysplasia
ORPHA:1248May-Hegglin thrombocytopenia
ORPHA:850May-Thurner syndrome
ORPHA:675404Mayer-Rokitansky-Küster-Hauser syndrome
ORPHA:3109Mayer-Rokitansky-Küster-Hauser syndrome type 1
ORPHA:247775Mayer-Rokitansky-Küster-Hauser syndrome type 2
ORPHA:2578Mazabraud syndrome
ORPHA:57782MBD4-related tumor predisposition syndrome
ORPHA:661526McCune-Albright syndrome
ORPHA:562McDonough syndrome
ORPHA:2471McKusick-Kaufman syndrome
ORPHA:2473McLeod neuroacanthocytosis syndrome
ORPHA:59306Meacham syndrome
ORPHA:3097Meckel syndrome
ORPHA:564Meconium aspiration syndrome
ORPHA:70588MECP2-related severe neonatal encephalopathy
ORPHA:209370Medial condensing osteitis of the clavicle
ORPHA:57196Median cleft lip/mandible
ORPHA:2006Median cleft of the upper lip and maxilla
ORPHA:141239