Abstract
Glycogen determinations were made in the ductus deferens of intact and castrated rats at the time of removal and after the contralateral duct was suspended in Krebs-Ringer-bicarbonate-glucose medium for various periods. Data are presented as the mean percentage of the initial glycogen concentration remaining in the ducts. Initial glycogen concentration was the same in ducts of intact and castrated rats. Ducts from intact and castrated rats differed only slightly in the extent and time in which an early decrease and partial restoration of the glycogen levels occurred during the first 30 min but the concentrations were the same after 60 min in vitro at 77% of initial levels. Complete restoration of glycogen in the ducts occurred within 90 min. Intact rat ducts in the medium without glucose showed an initial rapid loss of glycogen followed by a temporary rise and slower fall to low levels (31.8% remaining at 90 min). Glycogen concentration in ducts from alloxandiabetic intact and castrated rats was twice tha...
Published Version
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