Medical Terminology / Unit 3 MedTerm 0135 short lesson, about 20 seconds
intra-: Within
Captions available
The idea
The prefix intra means within or inside the structure the rest of the term identifies.
In practice
An intramuscular injection is given within a muscle.
Where people slip
Inter and intra differ by one letter and describe different locations entirely.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
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