Figure 1.

Vascular kinetics of intranasally instilled (A) and i.v. injected (B) 54Mn. Anemic +/b rats (filled circles) were fed an iron-deficient diet (20 ppm iron) while iron-replete +/b rats (filled squares) and Belgrade b/b rats (open circles) were fed iron-supplemented diet (500 ppm iron) for three weeks postweaning. Blood 54Mn levels are expressed as percent of instilled dose or injected dose. Each point is mean ± sem of 5−8 rats. A) *P < 0.05 (iron-replete +/b vs. anemic +/b); **P < 0.01 (b/b vs. anemic +/b rats). B) * P < 0.05 (b/b vs. anemic +/b and b/b vs. iron-replete +/b).