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We removed the right olfactory bulb in neonatal mice, leaving the bulb on the left side intact as an internal control. At 5 days of survival time, we observed that the right cerebral hemisphere was displaced forward to occupy the region made vacant by removal of the bulb. The frontal cortex was, consequently, in close proximity to the lamina cribrosa. As a(More)
The disposition of 14C-morphine was studied after gastrointestinal and subcutaneous administration to female Sprague-Dawley rats. Morphine was found to be rapidly and nearly completely absorbed from the small intestine. After s.c. administration, approximately half the 5 mg/kg dose of morphine was excreted via the bile into the intestinal tract, largely as(More)
Ticlopidine is a novel antiplatelet drug reported to cause significant inhibition of several drugs metabolized by the hepatic cytochrome P-450 enzyme system, including antipyrine and theophylline. Warfarin, a racemic mixture of two enantiomers (R and S), is extensively metabolized by the CYP-450 system. S-Warfarin is five to eight times as active as(More)