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MedTerms Medical Dictionary A-Z List - M: Detailed Datasheet
Medically reviewed by Min Clinic Staff | Updated: January 2026
Ma-MaMb-MfMg-MkMl-MoMp-MuMv-Mz
MMa-Ma
- M protein
- M. avium
- M. intercellulare
- M. leprae
- M. marinum
- M.D.
- MAB
- MAC
- Macerate
- Macewen operation
- Macewen sign
- Machine, continuous passive motion machine
- Machine, CPM
- Machine, heart-lung
- Machupo virus
- Macro- (prefix)
- Macroangiopathy
- Macrobiota
- Macrobiotic
- Macrobiotic diet
- Macrocephaly
- Macrocephaly, multiple lipomas, and hemangiomas
- Macrocytic
- Macrogenitosomia
- Macroglobulinemia
- Macroglobulinemia, Waldenstrom
- Macroglossia
- Macrognathia
- Macrolide
- Macroorchidism
- Macrophage
- Macrophage inhibitory cytokine 1
- Macrophagic myofasciitis
- Macroscopic
- Macrosomia
- Macrovascular
- Macrovascular disease
- Macula
- Macular
- Macular (skin)
- Macular cyst
- Macular Degeneration
- Macular hole
- Macular pucker
- Macular retinopathy
- Macular vision
- Macule
- Macules
- Maculopathy
- Maculopathy, cellophane
- Mad deer disease
- Madelung disease
- MADH4
- Mag sulfate
- Magendie, foramen of
- Maggot
- Magic bullet
- Magnesia
- Magnesium
- Magnesium deficiency
- Magnesium excess
- Magnesium sulfate
- Magnet therapy
- Magnetic resonance elastography
- Magnetic resonance imaging
- Magnetic resonance perfusion imaging
- Magnetic resonance spectroscopic imaging
- Magnetic-targeted carrier
- Mainstream medicine
- Maintenance therapy
- Major
- Major anomaly
- Major anxiety disorder
- Major depression
- Major gene
- Major histocompatibility complex
- Makeup, permanent
- Malabsorption
- Malacia
- Malady
- Malaise
- Malar
- Malaria
- Malaria, falciparum
- Malaria, pregnancy-associated
- Malariologist
- Malariology
- Malattia leventinese
- Male
- Male breast cancer
- Male chromosome
- Male chromosome complement
- Male condom
- Male external genitalia
- Male genitalia
- Male gonad
- Male internal genitalia
- Male menopause
- Male organs of reproduction
- Male pelvis
- Male sexual orientation gene
- Malformation
- Malformation, arteriovenous
- Malformation, arteriovenous (AVM)
- Malformation, congenital
- Malignancy
- Malignant
- Malignant ascites
- Malignant giant cell tumor
- Malignant hyperthermia
- Malignant melanoma
- Malleability, brain
- Malleolus
- Mallet
- Malleus
- Malnutrition
- Malnutrition-related diabetes
- Malrotated ear
- Malrotation of the intestine
- MALT
- MALT lymphoma
- MAM
- Mammaplasty, reduction
- Mammary gland
- Mammogram
- Mammogram, screening
- Managed Care
- Mandible
- Maneuver, Heimlich
- Maneuver, Valsalva
- Mania
- Mania, mixed
- Manic
- Manic-depression
- Manic-depressive disease
- Manicheel tree
- Manny
- Manometry
- Manorexia
- Mansfield
- Mansfield, Peter
- Mantoux test
- MAO inhibitor
- MAOI
- MAP
- Map, contig
- Map, cytogenetic
- Map, linkage
- Map, physical
- Map-dot-fingerprint type corneal dystrophy
- Maple syrup urine disease
- Mapping
- Mapping, gene
- Marasmus
- Marburg disease
- Marburg virus
- Marcus Gunn syndrome
- Marfan syndrome
- Margaret Mead
- Marie-Strumpell disease
- Marijuana
- Marinesco-Sjogren syndrome
- Mark of Cain
- Marker
- Marker chromosome
- Marker gene
- Marker, blood
- Marker, tumor
- Marmoreal
- Maroteaux-Lamy syndrome
- Marriage, cousin
- Marrow
- Marsh fever
- Marshall W. Nirenberg
- Marshall-Smith syndrome
- Martin Rodbell
- Martinus W. Beijerinck
- Martorell syndrome
- Marx
- Marx, Gertie F.
- MASA syndrome
- Mask of pregnancy
- Mask, oxygen
- Masklike face
- Masochism
- Mass spectrometry
- MASS syndrome
- Massage
- Massage therapist
- Masseter
- Mast cell
- Mast cell tumor
- Mast syndrome
- Mastalgia
- Mastectomy
- Mastectomy, double
- Mastectomy, modified radical
- Mastectomy, preventative
- Mastectomy, prophylactic
- Mastectomy, radical
- Mastectomy, simple
- Mastectomy, subcutaneous
- Masticate
- Mastitis
- Mastocyte
- Mastocytoma
- Mastocytosis
- Mastoid
- Mastoiditis
- Materfamilias
- Materia medica
- Maternal
- Maternal age
- Maternal mortality rate
- Maternal myasthenia gravis
- Maternal phenylketonuria
- Maternal serum alpha-fetoprotein (MSAFP)
- Materteral
- Materterine
- Mathematics disorder
- Matricectomy
- Matter, gray
- Matter, white
- Mature Cystic Teratoma
- Maturity onset diabetes of the young
- Maxilla
- Mayaro virus MAYV
- Mayer-Rokitansky-Kuster-Hauser syndrome
MMb-Mf
- Mb
- MB ChB
- MBChB
- MCAD
- MCAD deficiency
- MCAF
- McArdle disease
- McArdle's disease
- MCAT
- McBurney's point
- McClintock
- McClintock, Barbara
- McCune-Albright syndrome
- MCD
- MCH
- MCHC
- MCI
- McKusick-Kaufman syndrome
- MCL (medial collateral ligament) of the knee
- MCP
- MCP1
- MCPH1
- MCTD
- MCV
- MDCT
- MDI
- MDMA
- MDR
- MDS
- Me-too drug
- Mead
- Mead, Margaret
- Meadow syndrome
- Meal moth
- Mean cell hemoglobin
- Mean cell hemoglobin concentration
- Mean cell volume
- Measles
- Measles encephalitis
- Measles immunization
- Measles syndrome, atypical (AMS)
- Measly
- Measly tapeworm
- Meatus
- Meatus, female urethral
- Mechanical ventilation
- Meckel's diverticulum
- Meconium
- Meconium ileus
- MECP2 (methyl-CpG-binding protein-2)
- Med school
- Med-school syndrome
- Med1 DNA repair gene
- Media, contrast
- Medial
- Medial collateral ligament (MCL) of the knee
- Medial meniscus of the knee
- Medial occipitotemporal gyrus
- Median
- Mediastinoscopy
- Mediastinotomy
- Mediastinum
- Medic Alert
- Medicaid
- Medical College Admissions Test (MCAT)
- medical definition of botfly
- Medical device
- Medical directives, advance
- Medical entomology
- Medical etymology
- Medical geography
- Medical helminthology
- Medical history
- Medical journal, first American
- Medical journals
- Medical jurisprudence
- Medical physics
- Medical prefix
- Medical profession
- Medical Repository
- Medical Research Council
- Medical research resource, ATCC as
- Medical school
- Medical school syndrome
- Medical school, first American
- Medical scientist
- Medical symbol
- Medical word origin
- Medical-school syndrome
- MedicAlert
- Medicalize
- Medicare
- Medicare Part A
- Medicare Part B
- Medicated stent
- Medication
- Medication, ACE-inhibitor
- Medication, anti-infective
- Medication, anti-platelet
- Medication, anticoagulant
- Medication, antifungal
- Medication, antimicrobial
- Medication, antiprotozoal
- Medication, antiviral
- Medication, beta-blocker
- Medication, clot-dissolving
- Medication, generic
- Medication, vasodilator
- Medicine, adoption
- Medicine, Chinese
- Medicine, family
- Medicine, forensic
- Medicine, geriatric
- Medicine, homeopathic
- Medicine, legal
- Medicine, naturopathic
- Medicine, nuclear
- Medicine, occupational
- Medicine, transfusion
- Medicine, travel
- Medicins Sans Frontieres
- Medifast diet
- Medigap
- Medigap policy
- Meditation
- Mediterranean anemia
- Mediterranean diet
- Mediterranean Fever
- Mediterranean-style diet
- Medium-chain acyl-CoA dehydrogenase
- Medium-chain acyl-CoA dehydrogenase deficiency
- MEDLARS
- MEDLINE
- Medulla
- Medulla oblongata
- Medulla, adrenal
- Medullary cystic kidney disease, recessive
- Medullary thyroid cancer
- Medulloblastoma
- MEDVAC
- MEF2A
- Mega- (prefix)
- Megabase
- Megacolon
- Megakaryocyte
- Megalencephaly
- Megrim
- Meibomian cyst
- Meibomian gland
- Meibomianitis
- Meibomitis
- Meiosis
- Meiotic
- Meiotic drive
- Meiotic nondisjunction
- Melan- (prefix)
- Melancholia
- Melanin
- Melanocyte
- Melanoderma
- Melanoma
- Melanoma of the eye
- Melanoma thickness
- Melanoma vaccine
- Melanoma, juvenile
- Melanoma, acral-lentiginous
- Melanoma, amelanotic
- Melanoma, benign
- Melanoma, choroidal
- Melanoma, ciliary body
- Melanoma, conjunctival
- Melanoma, eye
- Melanoma, intraocular
- Melanoma, iris
- Melanoma, lentigo maligna
- Melanoma, malignant
- Melanoma, nodular
- Melanoma, ocular
- Melanoma, superficial spreading
- Melanoma, uveal
- Melanosis coli
- MELAS syndrome
- Melasma
- Melatonin
- MELD
- Melena
- Melioidosis
- Melissophobia
- Melittin
- Melomania
- Melorheostosis
- Meltdown, genetic
- Membrane
- Membrane attack complex
- Membrane cofactor protein
- Membrane metalloendopeptidase
- Membrane, epiretinal
- Membrane, vaginal
- Membrane-associated neutral endopeptidase
- Membranous
- Membranous gingivitis, acute
- Membranous glomerulonephritis
- Membranous nephropathy
- Membranous vitreous type Stickler syndrome
- Memory
- Memory B cells
- Memory span
- Memory, anterograde
- Memory, explicit
- Memory, implicit
- Memory, long-term
- Memory, recent
- Memory, short-term
- Memory, working
- Menangle virus
- Menarche
- Mendel, Gregor
- Mendelian
- Mendelian inheritance
- Mendelism
- Menetrier disease
- Menetrier's disease
- Meniere disease
- Meninges
- Meningioma
- Meningitis
- Meningitis vaccine
- Meningitis, aseptic
- Meningitis, bacterial
- Meningitis, benign recurrent aseptic
- Meningitis, cryptococcal
- Meningitis, infectious
- Meningitis, Kernig sign of
- Meningitis, meningococcal
- Meningitis, Mollaret
- Meningitis, neoplastic
- Meningitis, tuberculous
- Meningitis, viral
- Meningocele (MM)
- Meningococcal infection
- Meningococcal meningitis
- Meningococcal vaccine
- Meningococcus
- Meningoencephalitis
- Meningomyelocele
- Meniscus
- Meniscus injury
- Meniscus, lateral knee
- Meniscus, medial knee
- Menkes syndrome
- Menometrorrhagia
- Menopause
- Menopause transition
- Menopause, chemical
- Menopause, induced
- Menopause, natural
- Menopause, radiation
- Menopause, surgical
- Menorrhagia
- Menstrual
- Menstrual cramps
- Menstrual cycle
- Menstrual irregularity
- Menstrual migraine
- Menstrual spotting
- Menstrual synchronization
- Menstrually associated migraine
- Menstruation
- Menstruation, anovular
- Menstruation, cessation of
- Menstruation, retrograde
- Mental child injury
- Mental retardation
- Mental retardation and clasped thumbs
- Mental retardation, blindness, deafness, seizures
- Mentum
- Meralgia paresthetica
- Mercaptopurine
- Mercury gilding
- Merkel cell carcinoma
- Merkle cell carcinoma
- Mesenteric adenitis
- Mesenteric artery
- Mesenteric vein
- Mesentery
- Mesial
- Mesmerism
- Mesoderm
- Mesodermal
- Mesothelin
- Mesothelioma
- Messenger RNA
- Met
- Metabolic
- Metabolic diseases, inherited
- Metabolic Encephalopathy
- Metabolic rate, basal
- Metabolic syndrome
- Metabolism
- Metabolism, inborn error of
- Metacarpals
- Metacentric chromosome
- Metachromatic leukodystrophy (MLD)
- Metagene
- Metallic taste in mouth
- Metanalysis
- Metaphase (cell cycle)
- Metaphase chromosome
- Metaphyseal chondrodysplasia (McKusick type)
- Metapneumovirus
- Metapneumovirus, human
- Metastasis
- Metastasize
- Metatarsal
- Metatarsals
- Metatarsophalangeal
- Metatarsophalangeal joint sprain
- Metatarsus
- Meter, peak-flow
- Meter, pH
- Metered dose inhaler
- Metered-dose inhaler
- Methadone
- Methadone treatment program
- Methanococcus jannaschii
- Methemoglobin
- Methemoglobinemia
- Methicillin
- Methicillin-resistant staphylococcus aureus
- Methionine
- Method, rhythm
- Methyl bromide
- Methyl-CpG-binding protein-2 (MECP2)
- Methylation
- Methylenedioxymethamphetamine
- Methylmalonicaciduria
- Methylmercury
- Metrorrhagia
- Meuse fever
MMg-Mk
- mg
- MG (myasthenia gravis)
- mGy
- MHC
- MI
- Miasma
- Miasmic
- MIC-1
- Michael Stuart Brown
- Micro-
- Micro-RNA
- Microabscess
- Microalbuminuria
- Microangiopathy
- Microarray
- Microbe
- Microbicide
- Microcephalin
- Microcephalin 1
- Microcephaly
- Microchimerism
- Microcystic corneal dystrophy
- Microcytic
- Microdeletion
- Microdiscectomy
- Microdosimetry
- Microduplication
- Microduplication 22q11.2 syndrome
- Microembolus
- Microhematuria
- Microorchidism
- Micropenis
- Microphallus
- Microphthalmia
- Microphthalmia syndrome, Lenz
- Micropigmentation
- Microscope
- Microscope, compound
- Microscope, electron
- Microscope, fluorescent
- Microscope, simple
- Microscopic
- Microscopic anatomy
- Microscopic gallstones
- Microscopy
- Microscopy, cryo-electron
- Microscopy, electron
- Microsomia
- Microsporidiosis
- Microsurgery
- Microtia
- Microtubule motor
- Microtubule motor protein
- Microvascular
- Microvascular disease
- Microvascular surgery
- Micturate
- Micturition
- Micturition syncope
- Midbrain aqueduct
- Middle ear
- Middle ear infection, acute
- Middle Eastern Respiratory Syndrome Coronavirus
- Midget
- Midgut volvulus
- Midlife crisis
- Midnight children
- Midnight disease
- Midwife
- Midwife assistant
- Midwife, certified
- Midwife, certified nurse
- Midwife, certified professional
- Midwife, direct-entry
- Midwife, empirical
- Midwife, lay
- Midwife, traditional
- Mifepristone
- Migraine
- Migraine aura
- Migraine headache
- Migraine without aura
- Migraine, abdominal
- Migraine, classic
- Migraine, common
- Migraine, menstrual
- Migraine, menstrually associated
- Migraine, ocular
- Migraine, ophthalmic
- Migraineur
- Migrainous neuralgia
- Mild cognitive impairment
- Miliary aneurysm
- Miliary tuberculosis
- Milk allergy, cow
- Milk of Magnesia
- Milk, witch's
- Miller's lung
- Miller-Dieker syndrome
- Milligram
- Milligray
- Milwaukee brace
- Milzbrand
- Mimesis
- Mimetic
- Minamata disease
- Mind
- Miner's asthma
- Mineral requirements, infant
- Mineralocorticoids
- Minimal change disease
- Minimal change nephrotic syndrome
- Minimal residual disease
- Minimally invasive lung volume reduction
- Minipill
- Minor
- Minor anomaly
- Minor salivary gland
- Minot-Von Willebrand disease
- Miosis
- miRNA
- Mirror, mouth
- Miscarriage
- Miscarriage, multiple
- Mismatch repair
- Misophonia
- Missense mutation
- Mite
- Mite, dust
- Mite-borne typhus
- Miticide
- Mitochondria
- Mitochondrial
- Mitochondrial cytopathy, Kearns-Sayre type
- Mitochondrial disease
- Mitochondrial DNA
- Mitochondrial DNA depletion syndrome MDS MDDS
- Mitochondrial encephalopathy, MELAS
- Mitochondrial genome
- Mitochondrial inheritance
- Mitochondrial myopathy
- Mitochondrion
- Mitosis
- Mitotic
- Mitotic nondisjunction
- Mitragyna speciosa
- Mitral insufficiency
- Mitral prolapse
- Mitral regurgitation
- Mitral valve
- Mitral valve prolapse
- Mittelschmerz
- Mixed bipolar state
- Mixed connective tissue disease
- Mixed mania
- Mixed-lineage leukemia
MMl-Mo
- MLVT
- MM
- MME
- MMR
- MMWR
- MND
- Modafinil
- Model end stage liver disease
- Modeling, chromatin
- Modelling, chromatin
- Modified Radical Mastectomy
- Modifiers, biological response (BRMs)
- MODY
- Moebius Syndrome
- Mohs surgery
- Moisturize
- Molar
- Molars
- Mold
- Mole
- Molecular biology
- Molecular phylogenetics
- Molecule
- Molecules, recombinant DNA
- Mollaret meningitis
- Molluscacide
- Molluscicide
- Molluscum contagiosum
- Momism
- Monaural
- Mongolism
- Monilia
- Moniliasis, oral
- Monitor, Holter
- Monkeypox
- Mono
- Monoamine oxidase inhibitor
- Monoarthritis
- Monoarticular
- Monochromat
- Monochromatism
- Monoclonal
- Monoclonal antibody
- Monocular
- Monocular diplopia
- Monocyte
- Monocyte chemotactic and activating factor
- Monocyte chemotactic protein-1
- Monogenic
- Mononeuritis
- Mononeuritis multiplex
- Mononeuropathy
- Mononucleosis
- Mononucleotide
- Monosodium glutamate
- Monosomy
- Monozygous twins
- Monte Carlo simulation
- Montgomery, William W.
- Moonflower
- Moral behavior center
- Moraxella kingae
- Morbid jealousy
- Morbidity
- Morbidity and Mortality Weekly Report
- Morbilli
- Morbus gallicus
- Mordant
- Morgagni's tubercle
- Morgellons disease
- Morgue
- Morning glory syndrome
- Morning-after pill
- Morphea
- Morpheus
- Morphia
- Morphine
- Morphology
- Morquio syndrome
- Mortality
- Mortality rate
- Mortality rate, fetal
- Mortality rate, infant
- Mortality rate, maternal
- Mortality rate, neonatal
- Mortality, infant
- Morton disease
- Morton foot
- Morton metatarsalgia
- Morton nerve entrapment
- Morton neuroma
- Morton syndrome
- Morton toe
- Morton's disease
- Morton's foot
- Morton's metatarsalgia
- Morton's nerve entrapment
- Morton's neuroma
- Morton's syndrome
- Morton's toe
- Mosaic
- Moscati
- Moscati, St. Joseph
- Mother
- Motherese
- Motility study, antro-duodenal
- Motion sickness
- Motion, range of
- Motoneuron
- Motor
- Motor neuron
- Motor neuron disease
- Motor neurone disease
- Motulsky dye test
- Mountain sickness
- Mountain sickness, acute (AMS)
- Mourning
- Mourning, public
- Mouse genome
- Mouse, deer
- Mouse, white-footed
- Mousepox
- Mouth
- Mouth mirror
- Mouth, dry
- Mouth, trench
- Movement, fetal
- Movement, saccadic
- Mowat-Wilson syndrome
- Mower injury
- Moyamoya
MMp-Mu
- MP
- MPH
- MPO
- MPO deficiency
- MPS
- MRA
- MRC
- MRCP
- MRD
- MRDM
- MRI
- MRI, endorectal
- MRKH syndrome
- mRNA
- MRSA infection
- MRSI
- MS
- MS/MS
- MSAFP (maternal serum alpha-fetoprotein)
- MSBP
- MSG
- MST
- MSTN
- MSUD
- mtDNA
- MTHFR mutation
- MTX
- Mucocutaneous lymph node syndrome
- Mucolipidosis
- Mucolipidosis I
- Mucolipidosis III
- Mucolipidosis IV
- Mucopolysaccharidosis
- Mucopolysaccharidosis type I
- Mucopolysaccharidosis type II
- Mucopolysaccharidosis type IIIA
- Mucopolysaccharidosis type IIIB
- Mucopolysaccharidosis type IIIC
- Mucopolysaccharidosis type IIID
- Mucopolysaccharidosis type IVA
- Mucopolysaccharidosis type IVB
- Mucopolysaccharidosis type VI
- Mucopolysaccharidosis type VII
- Mucopolysaccharidosis type VIII
- Mucormycosis
- Mucosa
- Mucositis
- Mucous
- Mucoviscidosis
- Mucus
- Mucus colitis
- Mucus plug
- Mucus, nasal
- Mudslide injury
- Muir-Torre syndrome
- Mule
- Multi-infarct dementia
- Multicellular
- Multicentric
- Multidetector computed tomography
- Multidetector CT
- Multidetector-row computed tomography
- Multidetector-row CT
- Multifactorial
- Multifactorial inheritance
- Multifocal
- Multifocal motor neuropathy (MMN)
- Multipara
- Multipara, grand
- Multiparous
- Multiple abortions
- Multiple daily injections
- Multiple lentigines syndrome
- Multiple miscarriage
- Multiple myeloma
- Multiple organ failure
- Multiple personality disorder
- Multiple sclerosis
- Multiple subpial transection
- Multiple symmetric lipomatosis
- Multiple system atrophy
- Multiple system failure
- Multisection computed tomography
- Multisection CT
- Multislice computed tomography
- Multislice CT
- Mumps
- Mumps immunization
- Mumps in pregnancy
- Munchausen syndrome
- Munchausen syndrome by proxy
- Munchhausen by proxy
- Munchhausen syndrome
- Murine typhus
- Murmur
- Muromonab-CD3
- Murray Valley encephalitis
- Mus musculus
- Mus musculus genome
- Muscle
- Muscle biopsy
- Muscle cramp
- Muscle relaxant
- Muscle Spasm
- Muscle, abductor
- Muscle, adductor
- Muscle, cardiac
- Muscle, central core disease of
- Muscle, ciliary
- Muscle, heart
- Muscle, infraspinatus
- Muscle, papillary
- Muscle, piriformis
- Muscle, psoas
- Muscle, subscapularis
- Muscle, supraspinatus
- Muscle, teres minor
- Muscles, abdominal
- Muscular
- Muscular atrophy, post-polio (PPMA)
- Muscular dystrophy
- Muscular dystrophy, Becker
- Muscular dystrophy, congenital
- Muscular dystrophy, distal
- Muscular dystrophy, Emery-Dreifuss
- Muscular dystrophy, facioscapulohumeral
- Muscular dystrophy, limb-girdle
- Muscular dystrophy, myotonic
- Muscular dystrophy, oculopharyngeal
- Muscular dystrophy, tibial
- Muscular dystrophy, Ullrich congenital
- Musculoskeletal and Skin Diseases, Nat'l Institute
- Musculus
- Music therapy
- Musical hallucination
- Musical hallucinosis
- Musicomania
- Musicotherapy
- Musset sign
- Mustard (Arabidopsis thaliana) genome
- Mustard plaster
- Mutagen
- Mutagenesis
- Mutant
- Mutation
- Mutation, acquired
- Mutation, germline
- Mutation, hereditary
- Mutation, missense
- Mutation, nonsense
- Mutation, null
- Mutation, point
- Mutation, private
- Mutation, somatic
- Mute
- Mutilating keratoderma
- Mutism
- Mutism, akinetic
- Mutism, elective
- MUTYH
MMv-Mz
- MVP
- Myalgia
- Myalgia, epidemic
- Myasthenia gravis
- Myc-
- Mycelia
- Mycelium
- Mycet-
- Myco-
- Mycobacteria
- Mycobacterium
- Mycobacterium abscessus
- Mycobacterium avium
- Mycobacterium avium complex
- Mycobacterium avium subspecies paratuberculosis
- Mycobacterium chelonae
- Mycobacterium intercellulare
- Mycobacterium leprae
- Mycobacterium marinum
- Mycobacterium tuberculosis
- Mycobacterium ulcerans
- Mycoplasma
- Mycoplasma genitalium
- Mycosis fungoides
- Mycotoxin
- Mydriasis
- Myelin
- Myelination
- Myelinization
- Myelitis
- Myelitis, transverse
- Myelodysplastic syndrome
- Myeloencephalitis
- Myelofibrosis
- Myelogenous
- Myelogenous leukemia, acute
- Myelogram
- Myeloid
- Myeloid leukemia, acute
- Myeloma
- Myeloperoxidase
- Myeloperoxidase deficiency
- Myeloproliferative
- Myeloproliferative disorders
- MYH
- MYH syndrome
- Myo- (prefix)
- Myocardial bridge
- Myocardial infarction
- Myocardial infarction, acute
- Myocarditis
- Myocarditis, viral
- Myocardium
- Myoclonic seizure
- Myoclonic twitch
- Myoclonus
- Myocyte
- Myocyte, cardiac
- Myofascial pain syndrome
- Myoglobin
- Myokymia
- Myoma
- Myomectomy
- Myometrium
- Myonecrosis
- Myopathy
- Myopathy, mitochondrial
- Myopia
- Myositis
- Myostatin
- Myotonic dystrophy
- Myotonic dystrophy 2
- Myotonic dystrophy type 2
- Myotonic myopathy, proximal
- Myriad
- Myringotomy
- Myxedema coma
- Myxedema, infantile
- Myxoma
- Myxomata