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Medical TERMINOLOGY

Singular versus plural rules:

Alphabetical Listing of Med Terms

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Also check out the medical abbreviations section

Rule one:

Terms that end in "a", for plural add an "e". Example: vertebra (singular), vertebrae (plural).

Rule Two:

Terms that end in "is", for plural change it to "es". Example: diagnosis (singular), diagnoses (plural)

Rule Three:

Terms that end in "ex" or "ix" for plural replace with "ices". Example: cervix (singular), cervices (plural)

Rule Four:

Terms that end in "on" for plural replace it with "a". Example: criterion (singular), criteria (plural)

Rule Five:

Terms that end in "um" for plural replace it with "a". Example: bacterium (singular), bacteria (plural)

Rule Six:

Terms that end in "us" for plural replace it with "i". Example: bronchus (singular), bronchi (plural)

Rule Seven:

Terms that end in "itis" for plural replace it with "itides". Example: arthritis (singular), arthrides (plural)

Rule Eight:

Terms that end in "nx" for plural replace it with "nges". Example: phalanx (singular), phalanges (plural)

Rule Nine:

Terms that end in "y" for plural replace it with "ies". Example: therapy (singular), therapies (plural)

Rule Ten:

Terms that end in "x" for plural replace it with "ces". Example: thorax (singular), thoraces (plural)
 

[ 1 ] Quick Introduction.

[ 2 ] Word Building Reference (See below): new icon   This is a great reference to help strengthen your understanding of medical terminology.   See how common medical terms are created using the various prefixes, suffixes, and root words.

[ 3 ]  Medical Terms - Singular versus plural rules

[ 4 ]  Medical Terminology Exams  new icon   Twenty new exams were created to test your knowledge of medical terminology. 

[ 5 ]  Medical Terms - Prefixes, roots, suffixes (Reference).
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