motilin | (noun) a gastrointestinal hormone that apparently participates in controlling smooth muscle contractions in the stomach and small intestine | - |
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phycobilin | (noun) water-soluble proteinaceous pigments found in red algae and cyanobacteria | - |
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siderophilin | (noun) a globulin in blood plasma that carries iron | Synonyms: beta globulin, transferrin |
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subtilin | (noun) a polypeptide antibiotic (similar to bacitracin) obtained from a soil bacterium | - |
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urobilin | (noun) brown bile pigment formed from urobilinogens and found in feces and in small amounts in urine | - |
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