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. Author manuscript; available in PMC: 2017 Mar 13.
Published in final edited form as: Methods Mol Biol. 2009;489:317–357. doi: 10.1007/978-1-59745-543-5_15

Fig. 15.3.

Fig. 15.3

Schematic illustration of a “complete model” describing three parallel processes of the 17O -labeled metabolic water (H2 17O) occurring in the brain when the 17O-labeled oxygen gas molecules are introduced via an inhalation. In this model, only the metabolic H2 17O is considered because the 17O-labeled O2 is invisible by in vivo 17O NMR. Ca(t), Cb(t) and Cv(t) stand for the H2 17O concentration in arteriole, brain tissue and venule, respectively, as a function of the 17O2 inhalation time.