Medical Terminology / Unit 1 MedTerm 0040 short lesson, about 20 seconds
Plural Rule: is Becomes es
Captions available
The idea
A singular ending in i s forms its plural by changing the i s to e s.
In practice
Diagnosis becomes diagnoses; prosthesis becomes prostheses.
Where people slip
The plural is spoken with a long e in the last syllable: dye ag NO sees.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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