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Medical TERMINOLOGY   -   A thru Z

Prefixes, roots, suffixes  [ M ]

Prefix: A prefix is placed at the beginning of a word to modify or change its meaning. Pre means "before." Prefixes may also indicate a location, number, or time. 
Root
: central part of a word.     
Suffix
:  The ending part of a word that modifies the meaning of the word. Example: homeless. Root = 'home' and the suffix is 'less'. It can also refer to a condition, disease, disorder, or procedure.    

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Also check out the medical abbreviations section
 

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Term
[ Meaning ]
macro- [ large ]
mal- [ bad ]
-malacia [ softening ]
malleol/o [ malleolus ]
mamm/o [ breast ]
mandibul/o [ mandible (lower jaw bone)  ]
-mania [ obsessive preoccupation  ]
-masesis [ mastication, chewing ]
mast/o [ breast ]
mastoid/o [ mastoid process (behind the ear)  ]
maxill/o [ maxilla (upper jaw bone)  ]
meat/o [ meatus (opening)  ]
medi/o [ middle ]
medic/o [ to heal, healing ]
mediastin/o [ mediastinum ]
medi/o [ middle  ]
medull/o [ medulla (inner section); middle; soft, marrow  ]
mega- [ large ]
-megaly [ enlargement ]
melan/o [ black ]
mel/o [ limb, limbs  ]
men/o [ menses; menstruation  ]
mening/o [ meninges (membranes covering the spinal cord & brain)  ]
meningi/o [ meninges ]
ment/o [ mind; chin  ]
mer/o [ part ]
meso- [ middle ]
meta- [ change; beyond  ]
metacarp/o [ metacarpals (hand bones)  ]
metatars/o [ metatarsals (foot bones)  ]
-meter [ measure ]
method/o [ procedure, technique  ]
metr/o [ uterus (womb); measure  ]
metri/o [ uterus (womb)  ]
-metry [ process of measuring  ]
mi/o [ smaller; less  ]
micro- [ small ]
-mimesis [ imitation, simulation  ]
-mimetic [ mimic; copy  ]
-mission [ to send  ]
-mnesia [ memory  ]
mogi- [ difficult  ]
mon/o [ one; single  ]
morph/o [ shape; form  ]
mort/o [ death ]
-mortem [ death ]
-motor [ movement ]
muc/o [ mucus ]
mucos/o [ mucous membrane (mucosa)  ]
multi- [ many ]
muscul/o [ muscle  ]
mut/a [ genetic change  ]
mutagen/o [ causing genetic change  ]
my/o [ muscle ]
myc/o [ fungus ]
mydr/o [ wide ]
myel/o [ spinal cord; bone marrow  ]
myocardi/o [ myocardium (heart muscle)  ]
myom/o [ muscle tumor  ]
myos/o [ muscle ]
myring/o [ tympanic membrane (eardrum)  ]
myx/o [ mucus ]
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