Morphometric measurements.

<p>A: Lumen diameter (µm) in vessels divided in groups of non-muscularized-, partially- and fully-muscularized vessels. B: Wall/lumen ratio divided in groups of non-muscularized-, partially- and fully-muscularized vessels. C: Number of non-muscularized-, partially- and muscularized vessels in each experimental group. D: Wall area of the vessels divided in groups of vessel diameter. * P<0.05 vs. wild type and ^# P<0.05 vs. normoxia. Statistical interaction was observed in Figure (B) for non-muscularized vessels.