[要求】 掌握各种尸体现象的形态特征及法医学意义。掌握自溶与坏死的鉴别。 【步骤】 观察并描述标本,切片

FATTY CHANGE Excessive entry of free fatty acids into the liver (starvation, corticosteroid therapy). Enhanced fatty acid synthesis. Decreased fatty acid oxidation. Increased esterification of fatty acid to triglycerides (alcohol). Decreased apoprotein synthesis (CCl). Impaired lipoprotein secretion from the liver (alcohol)

Definition of pathology Pathology is to study diseases by scientific methods. Disease may be defined as an abnormal alteration of structure or function in any part of the body

Autopsy Biopsy Cytology Experimental studies In vitro: Tissue culture Organ culture Cell culture In vivo: Experimental animals Nude mice

CELLULAR ADAPTATION Excessive physiologic stresses. Some pathologic stimuli. A new, but altered state preserving the viability of the cell

Motional pathway of embolus: Embolus from left heart cavity or arterial system Embolus from right heart cavity or venous system Embolus from portal veins Paradoxical embolism Retrograde ethrombus

Etiology Thrombosis Embolism Vesospasm Expansion of atheroma Extrinsic compression Twisting of the vessels

ANTITHROMBOTIC PROPERTIES Inhibition of platelet aggregation: PGL NO, ADPase Anticoagulant -binding and inhibition of thrombin: Antithrombin acceleration by heparin-like molecules, thrombomodulin activation of protein C/S, a2-macroglobulin. Fibrinlysis: Tissue plasminogen activator (tPA)

[感染性肺炎] 一、病因: (一)宫内或产时感染(垂直): 1、血行传播孕母血→胎盘、羊膜→胎儿 2、羊水上行污染:胎膜早破 (二)生后感染(水平): 1、呼吸道途径:飞沫 2、血行感染败血症 3、医源性传染医用器械或手

一、概述 母婴血型不合,免疫性溶血,26个血型,ABO、Rh血型常见