- e. 4-phosphate a phosphorylated derivative of e. that serves as an important intermediate in the pentose phosphate pathway.
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er·y·throse 'er-ə-.thrōs, i-'rith-.rōsalso -.thrōz, -.rōz n a syrupy aldose sugar C4H8O4 that is the epimer of threose
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er·y·throse (ĕ-rithґrōs) an aldotetrose occurring in phosphorylated form (erythrose 4-phosphate) as an intermediate in the pentose phosphate pathway.Medical dictionary. 2011.