Research Article

Hydralazine Reverses Stress-Induced Elevations in Blood Pressure, Angiotensin II, Testosterone, and Coronary Pathology in a Social Colony Model

Figure 4

Representative micrographs of coronary artery by group ( ( a ) = c o n t r o l s , ( b ) = c o l o n y s t r e s s , ( c ) = c o l o n y stress plus hydralazine, magnification = 200x, red staining = adventitial collagen).
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(a) Controls
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(b) Colony stress
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(c) Colony stress plus hydralazine