You know what it looks like… but what is it called?
TAKE THE QUIZ“carinii”
We have one entry that includes the term carinii.
Pneumocystis carinii pneumonia
noun: a pneumonia chiefly affecting immunocompromised individuals that is caused by a microorganism (Pneumocystis carinii synonym P. jiroveci), attacks especially the interstitial and alveolar tissues of the lungs, and is characterized especially by a nonproductive cough, shortness of breath, and fever —abbreviation PCP
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Merriam-Webster unabridged