Muscular Dystrophy, Duchenne Menkes Kinky Hair Syndrome Myeloid Leukemias, Acute Maple Syrup Urine Disease Marfan Syndrome Mastocytoses Melanoma Multiple Endocrine Neoplasia Type 2b Mucopolysaccharidosis II Mucopolysaccharidosis VI Mucopolysaccharidosis VII Medium-chain Acyl-CoA dehydrogenase deficiency Multiple Sulfatase Deficiency Disease Muscular dystrophy, limb-girdle type 2H Microvillus inclusion disease Maturity-Onset Diabetes of the Young, Type 2 Myelomonocytic Leukemia, Juvenile MASA (Mental Retardation, Aphasia, Shuffling Gait, Adducted Thumbs) Syndrome Muscular dystrophy congenital, merosin negative Myopathy, Myofibrillar, Desmin-Related Myoclonic dystonia Maturity-Onset Diabetes of the Young, Type 3 Mosaic variegated aneuploidy syndrome Maturity-Onset Diabetes of the Young, Type 1 MYH9-Related Disorders Mowat-Wilson syndrome Megalencephalic leukoencephalopathy with subcortical cysts Muenke Syndrome Muscular Dystrophy, Congenital, 1C Metaphyseal chondrodysplasia Schmid type Meckel syndrome type 3 Muscular Dystrophy, Limb-Girdle, Type 2I Methylmalonic acidemia with homocystinuria Mental retardation, X-linked, syndromic 5 Mainzer-Saldino Disease Muscular Dystrophy, Congenital, Megaconial Type Mucolipidosis II Alpha Beta Muscular Dystrophy, Limb-Girdle, Type 2L Muscular Dystrophy, Congenital, Lmna-Related Multiple Synostoses Syndrome 3 Multiple synostoses syndrome 2 Mitochondrial complex I deficiency Mental Retardation, Autosomal Recessive 2 Mental Retardation, X-Linked, Syndromic, Jarid1c-Related Macrocephaly Autism Syndrome Mucopolysaccharidosis I Malignant Hyperthermia Medulloblastoma Multiple Endocrine Neoplasia Type 1 Mucopolysaccharidosis IV Myotonia Congenita Mason-Type Diabetes Myasthenic syndrome, congenital, type Id Muscular Dystrophy, Congenital, Type 1D Macular Degeneration, Age-Related, 4 Methylmalonic Aciduria due to Methylmalonyl-CoA Mutase Deficiency Myopathy, Congenital, Compton-North Muscular Dystrophy, Congenital, Due To Integrin Alpha-7 Deficiency Mucopolysaccharidosis III Maturity-Onset Diabetes of the Young, Type 4 Multiple Endocrine Neoplasia Type 2a Meningiomas Melanoma, Cutaneous Malignant Metatropic dwarfism Multiple Acyl Coenzyme A Dehydrogenase Deficiency Myeloperoxidase Deficiency Microcephalic Osteodysplastic Primordial Dwarfism, Type II Mandibuloacral dysplasia with type A lipodystrophy Microphthalmia, syndromic 7 Mohr-Tranebjaerg syndrome Multiple Familial Trichoepithelioma Muir-Torre Syndrome Macular dystrophy, corneal type 1 Macular Dystrophy, Butterfly-Shaped Pigmentary, 2 Muscular Dystrophy, Limb-Girdle, Type 2J Myopathy, Myosin Storage Microphthalmia, syndromic 2 Minicore Myopathy with External Ophthalmoplegia Methylmalonic Aciduria, mut(0) Type Muscular Dystrophy, Limb-Girdle, Type 2G Myofibrillar Myopathy Mental Retardation, X-Linked, Syndromic, Christianson Type Myelodysplastic Syndromes Meckel syndrome type 1 Medullary Cystic Kidney Disease 2 Multiple Endocrine Neoplasia, Type IV MELAS Syndrome Methionine Adenosyltransferase Deficiency Myopathy, X-Linked, With Postural Muscle Atrophy Muscular Dystrophy, Emery Dreifuss Myopathy, X-Linked, with Excessive Autophagy Mucolipidosis III Gamma Majeed syndrome Megalencephaly cutis marmorata telangiectatica congenita Malonic aciduria Microcephaly, Primary Autosomal Recessive, 1 MYD88 Deficiency Megalocornea Metachondromatosis MEHMO syndrome Marles Greenberg Persaud syndrome Microphthalmia, Syndromic 3 Mitchell-Riley Syndrome Mental Retardation, X-Linked, Syndromic 10 Marshall-Smith syndrome Marden-Walker syndrome Martsolf syndrome MAST Syndrome Miyoshi Muscular Dystrophy 3 Marshall syndrome Multiple synostoses syndrome 1 Myopathy, Centronuclear, Autosomal Recessive Methylmalonic aciduria cblB type Meconium Ileus Monilethrix Mental retardation-hypotonic facies syndrome, x-linked, 1 Microphthalmia, syndromic 1 Myelocerebellar Disorder Mental Retardation, X-Linked, With Brachydactyly And Macroglossia Mitochondrial Complex II Deficiency Mandibulofacial dysostosis, Treacher Collins type, autosomal recessive MORM syndrome Macrocephaly, Alopecia, Cutis Laxa, and Scoliosis Mental Retardation, X-Linked 1 Megaloblastic Anemia due to Dihydrofolate Reductase Deficiency Mitochondrial Myopathies Metachromatic Leukodystrophy due to Saposin B Deficiency Malouf syndrome Microcephaly with Mental Retardation and Digital Anomalies Mental Retardation, X-Linked 19 Meretoja syndrome Mandibuloacral dysplasia with type B lipodystrophy Microcephaly, Primary Autosomal Recessive, 6 Mental Retardation, X-Linked 63 Myopathy, Distal, with Anterior Tibial Onset MODY, Type 6 Multiple Pterygium Syndrome, Lethal Type Meckel syndrome type 2 Mental Retardation, X-Linked 93 Myopathy, Early-Onset, with Fatal Cardiomyopathy Mullerian Aplasia and Hyperandrogenism Microcephaly, Primary Autosomal Recessive, 7 Maturity-Onset Diabetes Of The Young, Type 9 Mental Retardation And Microcephaly With Pontine And Cerebellar Hypoplasia Myopathy, Mitochondrial Progressive, With Congenital Cataract, Hearing Loss, And Developmental Delay MASP2 Deficiency Macroglobulinemia, Waldenstrom's Methemoglobinemia Multiple Myeloma Multiple Endocrine Neoplasia Motor Neuron Disease Mastocytoses, Systemic Macular Dystrophy, Retinal, 2 Mevalonate Kinase Deficiency Muscular Dystrophy, Limb-Girdle Myasthenic Syndrome, Congenital Malpuech facial clefting syndrome Mental Retardation, X-Linked 3 Mental Retardation, X-Linked 30 Mental Retardation, X-Linked, With Or Without Seizures, Arx-Related Mitochondrial Phosphate Carrier Deficiency Meacham Winn Culler syndrome Myopia 6 Metacarpal 4 5 Fusion Male Pseudohermaphroditism due to Deficiency of Testicular 17,20-Desmolase Melanocytic nevus syndrome, congenital Muscular Dystrophy, Limb-Girdle, Type 1F Mental retardation, X-linked, with cerebellar hypoplasia and distinctive facial appearance Mental Retardation, X-Linked, with Epilepsy Mental Retardation, X-Linked 58 Macrocephaly with Multiple Epiphyseal Dysplasia and Distinctive Facies Methylmalonic Aciduria and Homocystinuria, CblD Type Myoglobinuria, Acute Recurrent, Autosomal Recessive Myopathy, Hyaline Body, Autosomal Recessive Malattia Leventinese Molybdenum Cofactor Deficiency, Complementation Group A Molybdenum Cofactor Deficiency, Complementation Group B Molybdenum Cofactor Deficiency, Complementation Group C Methylmalonyl-CoA Epimerase Deficiency Methylmalonic aciduria cblA type Methylmalonic Aciduria Methylcobalamin Deficiency, CblG Type Metaphyseal Chondrodysplasia with Retinitis Pigmentosa Methylenetetrahydrofolate reductase deficiency Microcephaly, Primary Autosomal Recessive, 4 Microcephalic osteodysplastic primordial dwarfism, type 1 Microphthalmia, Syndromic 6 Microphthalmia, Syndromic 5 Microphthalmia, Isolated 2 Maturity-Onset Diabetes of the Young, Type 7 Migraine, Familial Hemiplegic, 3 Mental Retardation, X-Linked, Syndromic 13 Muscular Dystrophy, Limb-Girdle, Type 2M Meckel Syndrome, Type 5 Muscle Glycogen Storage Disease 0 Mental Retardation, Autosomal Recessive 5 Mental Retardation, Autosomal Recessive 12 Microphthalmia, Posterior, With Retinitis Pigmentosa, Foveoschisis, And Optic Disc Drusen Microphthalmia, Isolated 3 Mental Retardation, X-Linked, Syndromic 14 Mental Retardation, Autosomal Dominant 5 Microtia, Hearing Impairment, And Cleft Palate Meckel Syndrome, Type 6 Mental Retardation, X-Linked, Syndromic, Turner Type Mental Retardation, X-Linked 94 Macrothrombocytopenia, Autosomal Dominant, Tubb1-Related Microphthalmia, Isolated 4 Myopathy, Myofibrillar, Bag3-Related Malignant hyperthermia susceptibility type 1 Macular Degeneration, Age-Related, 6 Methylmalonate Semialdehyde Dehydrogenase Deficiency Mannose-Binding Protein Deficiency Macular Degeneration, Age-Related, 2 Merten-Singleton syndrome Myokymia Megalodactyly Microphthalmos Megacystis microcolon intestinal hypoperistalsis syndrome Maturity-Onset Diabetes of the Young, Type 8, with Exocrine Dysfunction MASS syndrome Meier-Gorlin syndrome Myopathy with lactic acidosis and sideroblastic anemia Myopathy with Lactic Acidosis, Hereditary Medullary cystic kidney disease 1 Molybdenum cofactor deficiency Metaphyseal Dysplasia without Hypotrichosis Methylmalonic Aciduria and Homocystinuria, CblF Type Myotonia MERRF Syndrome Megalencephaly Myositis, Eosinophilic Marden Walker like syndrome Microhydranencephaly Microcephalies Melanoma astrocytoma syndrome Microcephaly, Primary Autosomal Recessive, 5 Myosclerosis, Autosomal Recessive Mental Retardation, Autosomal Recessive 1 Mental Retardation, Autosomal Dominant 1 Meckel Syndrome, Type 4 Marie Unna Hereditary Hypotrichosis 1 Malaria Mesothelioma Moyamoya Disease Mucolipidoses Myotonic Dystrophy Myocardial Ischemia Mesothelioma, Malignant Male Infertility with Large-Headed, Multiflagellar, Polyploid Spermatozoa Metabolic Syndrome Mood Disorders Mitochondrial neurogastrointestinal encephalopathy syndrome Myopathy, Actin, Congenital, with Excess of Thin Myofilaments Mental Retardation, Autosomal Recessive 3 Melanoma-Pancreatic Cancer Syndrome Myopathy, Mitochondrial, Lethal Infantile Mitral Valve Prolapse, Myxomatous 2 Martin-Probst Deafness-Mental Retardation Syndrome Mental Retardation, X-Linked 72 Moyamoya disease 2 Mental Retardation, Short Stature, Facial Anomalies, and Joint Dislocations Mitochondrial myopathy with lactic acidosis Methylmalonic Aciduria, mut(-) Type Microcephaly, Primary Autosomal Recessive, 3 Macular Degeneration, Age-Related, 1 Microphthalmia, Isolated, with Coloboma 3 Mungan Syndrome Mental Retardation, Autosomal Recessive 7 Mental Retardation, Autosomal Recessive 6 Microcornea, Rod-Cone Dystrophy, Cataract, And Posterior Staphyloma Mental Retardation, Autosomal Dominant 3 Macular Degeneration, Age-Related, 11 Mental Retardation, X-Linked, With Panhypopituitarism Mental Retardation, X-Linked, Znf711-Related Malignant Rhabdoid Tumor, Somatic Myopathy, Actin, Congenital, With Cores Mental Retardation, Autosomal Recessive 13 Myostatin-related muscle hypertrophy Microcephaly with Chorioretinopathy, Autosomal Recessive Mental Retardation, X Linked Melioidoses Mouth Neoplasm Miller-McKusick-Malvaux-Syndrome (3M Syndrome) Mobius Syndrome Maternally Inherited Leigh Syndrome Mitochondrial Complex III Deficiency Mitochondrial Disease Mycosis Fungoides Macrophthalmia, Colobomatous, with Microcornea Marie Unna congenital hypotrichosis Memory Disorder Movement Disorders Mucocutaneous Lymph Node Syndrome Multiple Sclerosis Muscular Disease Muscle Weakness Myopathies, Nemaline Myofibromatosis Mucositis Macular dystrophy, retinal, 1, North Carolina type Mental Retardation, X-Linked 9 Mental retardation X-linked, South African type Miyoshi myopathy Megalancephaly Polymicrogyria-Polydactyly Hydrocephalus Syndrome Microphthalmia, Isolated, with Coloboma 5 Macular Degeneration, Age-Related, 9 Mental Retardation, Fra12a Type Metaphyseal Anadysplasia 2 Moyamoya disease 1 Mitochondrial DNA Depletion Syndrome, Myopathic Form Meningomyelocele Methemoglobinemia, Type I Muscle Spasticity Malabsorption Syndromes Myopia Microspherophakia Malformations of Cortical Development, Group II Methemoglobinemia, Type Ii Meningococcal Infections Mitochondrial Encephalomyopathies Mesangial sclerosis, diffuse Micrognathism Migraine without Aura Myeloid Leukemias Macrostomia Measles Meningitides Mitral Valve Prolapse Muscle Hypotonia Muscle Rigidity Myasthenia Gravis Mycobacterium Infections Myoclonus Myoglobinurias Morbid Obesities Muscular Dystrophy, Limb-Girdle, Type 1C Myeloproliferative Syndrome, Transient Marsden syndrome Multicystic renal dysplasia, bilateral Methylmalonic Aciduria, CblD Type, Variant 2 Myeloproliferative Disorder, Chronic, with Eosinophilia Microcephaly-Micromelia Syndrome Maple syrup urine disease, type 2 Macular Degeneration, Age-Related, 7 Mucolipidosis III Alpha Beta, Atypical Mental Retardation, Autosomal Dominant 4 Microangiopathy, Thrombotic Myopathy, scapuloperoneal Melorheostosis with Osteopoikilosis Multiple Mitochondrial Dysfunctions Syndrome Myocarditides Malformation, Vascular Malaria, Falciparum Melorheostoses Myopathy, Distal 2 Marfan Syndrome type 2 Myxoma Metaphyseal anadysplasia Macrophage Activation Syndrome Morphine Dependence Major Affective Disorder 2 Melanoses Meningitis, Aseptic Menopause, Premature Malnutrition Multiple Sclerosis, Relapsing Remitting Metaphyseal Dysplasia with Maxillary Hypoplasia and Brachydactyly Mastitis Myositides Myositis Ossificans Microcephaly autosomal dominant Motor Disorders Mastocytoma, Skin Mental retardation Smith Fineman Myers type Myelodysplastic-Myeloproliferative Diseases Meningioma, familial Microcephaly, microphthalmia, ectrodactyly of lower limbs, and prognathism Myopathy, Myofibrillar, Zasp-Related Mesomelia-synostoses syndrome Monomelic amyotrophy Maple syrup urine disease, type 1B Muscular Dystrophy, Limb-Girdle, Type 1E Mandibular Neoplasm Maxillary Neoplasm Mediastinal Neoplasm Megacolon Melanoma, Experimental Meningism Meningitis, Meningococcal Meningoencephalitides Mercury Poisoning Mesenteric Vascular Occlusion Metaplasia Mioses Mitral Valve Insufficiency Motor Skills Disorder Musculoskeletal Pains Manifestation, Neurologic Musculoskeletal Abnormalities Myocardial Stunning Mixed Tumor, Mullerian Melanoma, Amelanotic Multiple Chemical Sensitivity MPTP Poisoning Myopathy with Abnormal Lipid Metabolism Michelin tire baby syndrome Malformation, Nervous System Manifestation, Neurobehavioral Mercury Poisoning, Nervous System Manganese Poisoning Manifestation, Neuromuscular Mental Retardation, X-Linked 31 Mental Retardation, X-Linked 34 Microsatellite Instability Micronucleus, Chromosome-Defective Martinez Frias syndrome Macrothrombocytopenia progressive deafness Melanosis, Universal Megaduodenum and-or Megacystis Myasthenic Syndrome, Congenital, with Facial Dysmorphism, associated with Acetylcholine Receptor Deficiency Myasthenic Syndrome, Congenital, Fast-Channel Macular Degeneration, Age-Related, 3 Moyamoya disease 3 Macrocytosis, Familial Mitochondrial Myopathy with Diabetes Mental Retardation, X-Linked 89 Miles-Carpenter x-linked mental retardation syndrome Mental Retardation, X-Linked 91 Mental Retardation, X-Linked 92 Mental Retardation, X-Linked 78 Mental Retardation, X-Linked 45 Mental Retardation, X-Linked 46 Mental Retardation, X-Linked, with Short Stature Myotubular Myopathy with Abnormal Genital Development Mental Retardation, X-Linked, with Isolated Growth Hormone Deficiency Myasthenia, Familial Infantile, 1 Microphthalmia, Isolated 1 Megaepiphyseal dwarfism Maple Syrup Urine Disease, Type IA Mthfr Deficiency, Thermolabile Type Microphthalmia, Isolated, with Cataract 2 Multiminicore Disease, Moderate, with Hand Involvement Methemoglobinemia Type IV Myokymia 1 Myopathy, Reducing Body, X-Linked, Childhood-Onset Myopathy, Reducing Body, X-Linked, Early-Onset, Severe Mental Retardation, X-Linked 95 Major Affective Disorder 7 Macrothrombocytopenia-Stomatocytosis, Mediterranean Malignant hyperthermia susceptibility type 5 Myasthenic syndrome, congenital, postsynaptic slow-channel Myopia, susceptibility to Megalocytic interstitial nephritis Meier Blumberg Imahorn syndrome Male sterility due to Y-chromosome deletions Microphthalmia associated with colobomatous cyst Mixed sclerosing bone dystrophy Monosomy 5p Mucolipidosis 2 Micromelic dysplasia, congenital, with dislocation of radius Mycobacterium tuberculosis, susceptibility to infection by Male Germ Cell Tumor Mental Retardation, X-Linked Nonsyndromic Microcephaly, Primary Autosomal Recessive, 2 Muscular Dystrophy, Limb-Girdle, Type 1D Microcephaly with Chorioretinopathy, Autosomal Dominant Microcephalic Osteodysplastic Primordial Dwarfism with Tooth Abnormalities Metatropic Dysplasia Type 1 Meningitis, Pneumococcal Mucopolysaccharidoses Meningitis, Bacterial Mononeuropathy Mental Retardation, X-Linked 77 Medullary Sponge Kidney Malocclusion Musculoskeletal Disease Myofascial Pain Syndrome Malnutrition, Protein-Energy Madelung Deformity Migraine with Auras Mental Retardation, X-Linked 2 Mental retardation, X-linked 14 Mental Retardation, X-Linked 20 Mental Retardation, X-Linked 23 Mental Retardation, X-Linked 47 Myelocytic leukemia-like syndrome, familial, chronic Mental Retardation, X-Linked 82 Mental Retardation, X-Linked 84 Mental Retardation, X-Linked 81 Mental Retardation, X-Linked 42 Mental Retardation, X-Linked 73 Mental Retardation, X-Linked 53 Mental Retardation, X-Linked 50 Mental Retardation, Autosomal Recessive 4 Mental Retardation, Autosomal Recessive 11 Mental Retardation, Autosomal Recessive 10 Mental Retardation, Autosomal Recessive 9 Mitochondrial Dna Depletion Syndrome, Encephalomyopathic Form, With Methylmalonic Aciduria, Autosomal Recessive Migraine, Sporadic Hemiplegic Myalgia Major Affective Disorder 1 Major Affective Disorder 4 Major Affective Disorder 6 Major Affective Disorder 8 Major Affective Disorder 9 Multicystic Dysplastic Kidney Mydriasis Musician's Dystonia Macroglossia Monoclonal Gammopathy of Undetermined Significance Mutism Malocclusion, Angle Class III Mitochondrial encephalopathy Migraine, Familial Basilar Malaria, Cerebral Malaria, Vivax Mastoiditides Maximal Midexpiratory Flow Rate Maximal Voluntary Ventilation Melena Memories, Short-Term Menorrhagia Metrorrhagia Microstomia Mitochondrial Swelling Mitral Valve Stenoses Molluscum Contagiosum Monosomies Motion Sickness Mumps Myelitides Myelitis, Transverse Myoepithelioma Meningeal Tuberculosis Murmurs, Systolic Mongolian Spot Megaduodenum Microcolon Malignant Fibrous Histiocytoma Muscular Dystrophy, Scapulohumeral Memories, Episodic Multi-centric Castleman's Disease Macular Corneal Dystrophy, Type II Macular dystrophy, concentric annular Myoglobinuria, Recurrent Muscular Dystrophy, Congenital, due to Partial LAMA2 Deficiency Megacystis Microphthalmia, Cataracts, and Iris Abnormalities Myopathy, Congenital, With Excess Of Muscle Spindles Maple syrup urine disease, type 1A Multiple Chronic Conditions Mammary Analogue Secretory Carcinoma Metatarsal Valgus Metatarsus Varus Muscle Cramp Myxedema Marek Disease Mixed Connective Tissue Disease Mycoses Myofibroma Mast-Cell Sarcoma Myelolipoma Mastocytoma Mycoplasma Pneumonias Manifestation, Skin Muscle Neoplasm Microaneurysm Mixed Tumor, Mesodermal Meningitides, Viral Myoma Microscopic Colitis Mydriasis, Congenital Mycetomas Meigs' Syndrome Mucormycoses Microsporidiosis Marcus Gunn phenomenon Marfanoid hypermobility syndrome Manz syndrome Marinesco-Sjogren-like syndrome (MSLS) Mercaptolactate-Cysteine Disulfiduria Microcoria, congenital Multifocal choroiditis Microcephaly with Simplified Gyral Pattern Microphthalmia and mental deficiency Macrophagic myofasciitis Mansonelliases Marburg Virus Disease Mastodynias Maxillary Sinus Neoplasm Maxillary Sinusitides Mediastinitides Meige Syndrome Melkersson Rosenthal Syndrome Meningeal Neoplasm Meningocele Mesenchymoma Mesonephromas Metatarsalgia Middle Lobe Syndrome Mucocele Multiple Personality Disorder Myosarcoma Multiple Primary Neoplasm Manifestation, Oral Miliary Tuberculoses Mixed Tumor, Malignant Mesothelioma, Cystic Mucoepidermoid Tumor Macrocephaly, benign familial Maxillonasal dysplasia, Binder type Malignant Atrophic Papulosis Monosomy 4q Malignant mesenchymal tumor Milia, Multiple Eruptive Multiple Sclerosis, Chronic Progressive Miller Fisher Syndrome Malocclusion, Angle Class I Mullerian aplasia Myoclonus Syndrome, Nocturnal Median Neuropathies Mönckeberg's Medial Calcific Sclerosis Malformations Veins, Galen Mal de debarquement Myopia 2 Macrosomia obesity macrocephaly ocular abnormalities Myxomatous Mitral Valve Prolapse 1 Masticatory Muscles, Hypertrophy of Macular dystrophy, atypical vitelliform Myopia 1 Mental Retardation with Spastic Paraplegia Multiple basal cell carcinoma Monosomy 7 of Bone Marrow Myopia 3 Mental Retardation, Severe, With Spasticity And Pigmentary Tapetoretinal Degeneration Mental Retardation, X-Linked 79 Metaphyseal Anadysplasia 1 Methylmalonyl-Coenzyme A mutase deficiency Mitochondrial cytopathy Malocclusion, Angle Class II Mandible Maxilla Medulla Oblongata Membrane Mesencephalon Metabolism Methylation Mitochondria Motor Neuron Movement Muscle Tonus Muscle Mutations Motilities, Sperm Mesencephalus, Tectum Macrodactyly of the hand Mitochondrial Membrane Muscle, Smooth Muscular dystrophy, limb-girdle, type 1A Myotilinopathy Macrodactyly of the foot