Features of Atherosclerosis in the Tunica Adventitia of Coronary and Carotid Arteries in a Black Kenyan Population
Full wall thickness of common carotid artery in black Kenyans showing features of atherosclerosis in the tunica adventitia. TA: tunica adventitia, TM: tunica media, and TI: tunica intima. (a) Thickened tunica adventitia (TA) with increased density of vasa vasora (Vv) in 57-year-old male. Note a thin tunica intima (TI). Mason’s trichrome ×100. (b) Thickened tunica adventitia (TA), with increased density of vasa vasora (Vv) associated with medial degeneration in a 47-year-old female. Note the unstructured nature of tunica media (TM). Mason’s trichrome ×100.