It appears as an irregular yellow-white discoloration on the luminal surface of the artery, and consists of aggregates of monocyte-derived macrophages located beneath the inner, endothelial layer of arteries.
It appears as an irregular off white to yellow-white discoloration near the luminal surface of the artery. The streaks are not actually fat but small collections of monocyte-derived macrophages located beneath the inner, endothelial layer of arteries.