Africa 
China 
Japan 
MENA 
- Mimiviridae
- Mimivirus
- Mimosa tenuiflora
- Mimosine
- Mimotope
- Minamata disease
- Mind
- Mind at Large
- Mind reading
- Mind wandering
- Mind-blindness
- Mind-body dualism
- Mind-body interventions
- Mind-body problem
- Mindfulness
- Mindfulness based stress reduction
- Mindfulness-Oriented Recovery Enhancement
- Mindfulness-based cognitive therapy
- Mindset
- Mine safety
- Mineral oil
- Mineral water
- Mineralisation
- Mineralization
- Mineralized tissues
- Mineralocorticoid
- Mineralocorticoid antagonist
- Mineralocorticoid receptor
- Mineralocorticoids
- Minerals
- Mini Mental State Examination
- Mini-mental state examination
- Miniature endplate potential
- Minichromosome maintenance
- Minicircles
- Minimal brain dysfunction
- Minimal change disease
- Minimal clinically important difference
- Minimal intervention dentistry
- Minimal residual disease
- Minimal-change disease
- Minimally conscious state
- Minimally invasive
- Minimally invasive cardiac surgery
- Minimally invasive glaucoma surgery
- Minimally invasive spine surgery
- Minimally invasive surgery
- Minimisation
- Minimum alveolar concentration
- Minimum bactericidal concentration
- Minimum information about a microarray experiment
- Minimum inhibitory concentration
- Minimum lethal dose
- Minisatellite
- Minocycline
- Minodronic acid
- Minor allele frequency
- Minor depressive disorder
- Minor duodenal papilla
- Minor physical anomalies
- Minor spliceosome
- Minority stress
- Minoxidil
- Minoxidil sulfate
- Miosis
- Mipomersen
- Mir-145
- Mir-375
- Mirabegron
- Miraculin
- Miravirsen
- Mirena
- Mirex
- Mirizzi's syndrome
- Mirodenafil
- Miroestrol
- Mirror image
- Mirror neurons
- Mirror stage
- Mirror syndrome
- Mirror therapy
- Mirtazapine
- Mirtron
- Mirvetuximab soravtansine
- Miscarriage
- Misdiagnosis
- Mismatch Negativity
- Misonidazole
- Misophonia
- Misoprostol
- Missed abortion
- Missense mutations
- Mist
- Mistletoe
- Mithramycin
- Mithridate
- Mitigation
- Mitiglinide
- Mitochondria
- Mitochondrial
- Mitochondrial DNA
- Mitochondrial DNA depletion syndrome
- Mitochondrial Eve
- Mitochondrial ROS
- Mitochondrial biogenesis
- Mitochondrial calcium uniporter
- Mitochondrial carrier
- Mitochondrial disease
- Mitochondrial encephalomyopathy
- Mitochondrial fission
- Mitochondrial fission factor
- Mitochondrial fusion
- Mitochondrial genome
- Mitochondrial inheritance
- Mitochondrial matrix
- Mitochondrial membrane
- Mitochondrial myopathy
- Mitochondrial neurogastrointestinal encephalomyopathy
- Mitochondrial optic neuropathies
- Mitochondrial proteins
- Mitochondrial pyruvate carrier 2
- Mitochondrial replacement therapy
- Mitochondrial respiration
- Mitochondrial toxicity
- Mitochondrial trifunctional protein
- Mitochondrial trifunctional protein deficiency
- Mitochondrial unfolded protein response
- Mitogen activated protein kinase
- Mitogen-activated protein kinase
- Mitogenesis
- Mitogens
- Mitomycin
- Mitomycin C
- Mitophagy
- Mitoquinone mesylate
- Mitosene
- Mitosis
- Mitosomes
- Mitotane
- Mitotic catastrophe
- Mitotic index
- Mitotic recombination
- Mitotic spindle
- Mitotic spindle apparatus
- Mitoxantrone
- MitraClip
- Mitragyna speciosa
- Mitragynine
- Mitral annular calcification
- Mitral annular disjunction