- medullary dysgenesis
- metanephric tubule
- mediastinal flap
- make a hit with
- mesocolic recess
- mesocolic cyst
- metaurus river
- multiparity
- multilevel address
- message switch
- message telecommunication
- miniaturization
- macrodiacritic
- meningomyelocele
- mixed fertilizer
- monophasic
- mesocolon
- minimum thermometer
- mylabris dicincta
- monongahela
- minimum temperature
- mitral disease
- mitral atresia
- mixed bed system
- multi storey cropping
- musculocutaneous nerve
- machine independent language
- mesoconch
- magnetic thin film
- mercuric thiocyanate
- micro environment
- myocardial failure
- methyl_o_methoxybenzoate
- macroprogramming
- medicolegal case
- microatomizing
- mucolytic
- multilevel security
- multifrequency signal
- mastoid notch
- microform reader
- multi valent
- message source
- memory page
- monophasic anaplasia
- magnetic drum storage
- myocardial
- myelosis
- mycobacteriumphlei
- mycobacteriumbovis