HMP also known as the Pentose phosphate pathway. Consists of two irreversible oxidative rxs followed by a series of reversible Quantitative Importance of the Pentose Phosphate Pathway Determined by Incorporation of 13C from [2 13C] and [3 13C]Glucose into TCA Cycle Intermediates and Neurotransmitter Amino Acids in Functionally Intact Neurons Eva M F Hexose Monophosphate Pathway or Pentose Phosphate Pathway Animations PharmaXChange.info biochemistry Why is the Pentose Phosphate Pathway so active in erythrocytes? Biology Stack Exchange pentose phosphate pathway in biology: Definition, Types and Importance AESL