CAV1 and hydrops fetalis: Baseline diameters of gracilis arteries from cav‐1 KO mice were not affected by diet although all tended to be greater than WT mice (LF 130 ± 8 μm, n = 8; HF 145 ± 10 μm, n = 8; MO 129 ± 4 μm, n = 9).