Histology and Explanation of Passive congestion of the liverHyperemia (congestion) represents the increase of blood in a territory, due to dilatation of small vessels. According to the mechanism, it may be active or passive.Active hyperemia (congestion) is a result of arteriolar diste… Read More
Histology and Explanation of Acute myocardial infarctMyocardial infarct - circumscribed area of ischemic necrosis - coagulative necrosis. In the first 12 - 24 hours, myocardial fibers are still well delineated, with intense eosinophilic (pink) cytoplasm, but lost their transver… Read More
Histology and Explanation of Recent coronary thrombosisThrombosis : recent thrombus in a coronary artery (branch in the epicardium) : The arterial lumen is completely obstructed by a recent thrombus - fibrin network (pink) containing red blood cells and platelets. The thrombus is… Read More
Histology and Explanation of Coronary atherosclerosis - the fibrous plaque with calcificationCoronary artery with atherosclerosis (fibrous plaque). The atheromatous fibrous plaque is localized in the intima of the artery, beneath the endothelium, producing the thickening of the wall and, secondary, the narrowing of t… Read More
Histology and Explanation of Hemorrhagic infarct lungPulmonary infarct (hemorrhagic infarct of the lung) is an area of ischemic necrosis produced by venous thrombosis on a background of passive congestion of lung. In infarct area, alveolar walls, vascular walls and bronchioles … Read More
very helpful!!! keep up the good work!
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