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Word Parts Beginning With M
31 word parts in the Medical Terminology guide begin with the letter M — prefixes, word roots and suffixes together. Every entry links to its own page with worked examples.
A B C D E F G H I J K L M N O P Q R S T U V X Z
| Word part | Type | Meaning |
|---|---|---|
| macro- | Prefix | large |
| mal- | Prefix | bad, poor, abnormal |
| -malacia | Suffix | abnormal softening |
| mamm | Word root | breast |
| -mania | Suffix | excessive preoccupation; madness |
| mast | Word root | breast |
| medi | Word root | middle |
| medio- | Prefix | middle |
| medull | Word root | medulla, inner part |
| mega- | Prefix | large, great |
| -megaly | Suffix | enlargement |
| melan- | Prefix | black, dark |
| men | Word root | month, menstruation |
| mening | Word root | meninges; membranes |
| meso- | Prefix | middle |
| meta- | Prefix | change, after, beyond |
| -meter | Suffix | instrument for measuring |
| metr | Word root | uterus; also measure in other contexts |
| -metry | Suffix | process of measuring |
| micro- | Prefix | small |
| mid- | Prefix | middle |
| -mimetic | Suffix | mimicking |
| -mnesia | Suffix | memory condition |
| mono- | Prefix | one, single |
| mort | Word root | death |
| muc | Word root | mucus |
| multi- | Prefix | many |
| muscul | Word root | muscle |
| my | Word root | muscle |
| myc | Word root | fungus |
| myel | Word root | spinal cord; bone marrow |
Please note: This section teaches the language of medicine — what word parts mean and how terms are built. It is an educational reference, not medical advice. For the meaning of a word in your own medical record, ask the clinician who wrote it.