What does the medical prefix endo- mean?

Prepare for the DHO Healthcare Careers Test with flashcards and multiple-choice questions. Each question comes with hints and explanations. Ace your exam!

Multiple Choice

What does the medical prefix endo- mean?

Explanation:
Endo- marks inside or within something. It’s used to describe location or direction toward the interior of a structure, which is why it fits terms like endocardium (inner lining of the heart) or endoscopy (viewing inside the body). In contrast, the other options relate to outside or different directions: outside/away from points to exo- or extra-, between points to inter-, and across points to trans- (or similar). So endo- is the best choice because it consistently means inside.

Endo- marks inside or within something. It’s used to describe location or direction toward the interior of a structure, which is why it fits terms like endocardium (inner lining of the heart) or endoscopy (viewing inside the body). In contrast, the other options relate to outside or different directions: outside/away from points to exo- or extra-, between points to inter-, and across points to trans- (or similar). So endo- is the best choice because it consistently means inside.

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