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Pronunciation varies by accent · noun
(biochemistry) The porphyrin portion of heme (minus the iron atom).
Use hematoporphyrin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Hematoporphyrin means (biochemistry) The porphyrin portion of heme (minus the iron atom).
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use hematoporphyrin where its definition matches the intended context.
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