Africa 
China 
Japan 
MENA 
- Multifocal motor neuropathy
- Multigene family
- Multiinfarct dementia
- Multileaf collimator
- Multilocus sequence typing
- Multimeter
- Multimorbidity
- Multinodular goitre
- Multinucleate
- Multiomics
- Multipartite
- Multiphoton microscopy
- Multiple Drafts Model
- Multiple Sclerosis Functional Composite
- Multiple abnormalities
- Multiple acyl-coa dehydrogenase deficiency
- Multiple baseline design
- Multiple carboxylase deficiency
- Multiple chemical sensitivity
- Multiple choice
- Multiple cloning site
- Multiple comparisons problem
- Multiple cutaneous leiomyoma
- Multiple displacement amplification
- Multiple drug resistance
- Multiple electrode aggregometry
- Multiple endocrine neoplasia
- Multiple endocrine neoplasia type 1
- Multiple endocrine neoplasia type 2
- Multiple endocrine neoplasia type 2B
- Multiple endocrine neoplasia type 2b
- Multiple epiphyseal dysplasia
- Multiple evanescent white dot syndrome
- Multiple factor analysis
- Multiple gestation
- Multiple loci VNTR analysis
- Multiple myeloma
- Multiple of the Median
- Multiple organ dysfunction syndrome
- Multiple organ failure
- Multiple personality
- Multiple sclerosis
- Multiple sequence alignment
- Multiple sex partners
- Multiple sleep latency test
- Multiple sulfatase deficiency
- Multiple trace theory
- Multiplex ligation dependent probe amplification
- Multiplex polymerase chain reaction
- Multiplexing
- Multiplicity of infection
- Multipolar
- Multipolar neurons
- Multipolar spindles
- Multipotent stem cells
- Multisensory integration
- Multislice
- Multispectral imaging
- Multisystem inflammatory syndrome in children
- Multisystemic therapy
- Multivariate analysis of variance
- Multivariate time series
- Multivesicular bodies
- Multivitamins
- Mumps
- Mumps vaccine
- Mumps virus
- Munc-18
- Munc18
- Munchausen syndrome
- Mung beans
- Munro's microabscess
- Munson's sign
- Mupirocin
- Muraglitazar
- Mural cells
- Muramyl dipeptide
- Muricholic acid
- Murine
- Murine hepatitis virus
- Murine leukemia virus
- Murine polyomavirus
- Murine typhus
- Muromonab-CD3
- Murphy's sign
- Murray Valley encephalitis
- Muscarine
- Muscarinic acetylcholine receptor M5
- Muscarinic acetylcholine receptors
- Muscarinic agonists
- Muscarinic antagonists
- Muscarinic receptors
- Muscimol
- Muscle
- Muscle aches
- Muscle architecture
- Muscle atrophy
- Muscle biopsy
- Muscle cells
- Muscle coactivation
- Muscle contraction
- Muscle contracture
- Muscle cramps
- Muscle dysmorphia
- Muscle energy technique
- Muscle fatigue
- Muscle fibers
- Muscle growth
- Muscle hypertonia
- Muscle hypertrophy
- Muscle hypotonia
- Muscle imbalance
- Muscle memory
- Muscle protein
- Muscle relaxants
- Muscle relaxation
- Muscle rigidity
- Muscle spasms
- Muscle spasticity
- Muscle spindles
- Muscle strain
- Muscle strength
- Muscle tension
- Muscle tension dysphonia
- Muscle tissue engineering
- Muscle tissues
- Muscle tone
- Muscle weakness
- Muscle-eye-brain disease
- Muscles
- Muscles of mastication
- Muscone
- Muscular defense
- Muscular dystrophies
- Muscular dystrophy
- Muscular layer
- Muscular system
- Muscularis mucosa
- Muscularis mucosae
- Muscularis propria
- Musculocutaneous nerve
- Musculoskeletal
- Musculoskeletal abnormalities
- Musculoskeletal diseases
- Musculoskeletal disorders
- Musculoskeletal injuries
- Musculoskeletal injury
- Musculoskeletal pain
- Musculoskeletal system
- Mushroom bodies