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Measures the effect of dexamethasone on fetal plasma glutamine and glutamate disposal rates and on fetal hepatic glutamine uptake, as well as its conversion to glutamate and carbon dioxide. Glucose and lactate concentrations and uptakes; Amino acid concentration, uptakes and fluxes; Fetal glutamine and glutamate concentrations, uptakes and fluxes.

Presents information on a study which focused on the relationship of fetal alanine uptake and placental alanine metabolism to maternal plasma alanine concentration. Methodology; Alanine concentrations, uptakes and fluxes; Alanine disposal rates and placental fluxes.

Presents a study on the production and utilization of amino acids by ovine placenta in vivo. Methodology used to conduct the study; Discussion based on the results of the study.