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Medical Terminology / Unit 3   MedTerm 0152 short lesson, about 20 seconds

hemi- and semi-: Half

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The idea

The prefixes hemi and semi both mean half.

In practice

Hemiplegia is paralysis of one half, meaning one side, of the body.

Where people slip

Hemi is Greek and semi is Latin. Which one a term takes is fixed by convention.

Your place on the trail

Every lesson rests on earlier ones and opens later ones. Tap any to jump.

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