different between tetrapyrrole vs uroporphyrinogen

English

tetra- +? pyrrole

tetrapyrrole (plural tetrapyrroles)

(biochemistry) any of several natural pigments having a structure of four pyrrole rings connected by a one-carbon unit

uro- +? porphyrinogen

uroporphyrinogen (plural uroporphyrinogens)

(biochemistry) Any of a class of tetrapyrroles with four propionic acid groups and four acetic acid groups, involved in the synthesis of porphyrin.

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