Inflammation and Fever. 



the dilatation of tlie lungs, the movements of the heart, the 

 movement of joints, or the integrity of the brain or spinal 

 cord. When the disease that caused them has subsided 

 they are usually speedily reabsorbed, though not invaria- 

 bly so. 



2d. Mucous exudations are formed wherever mucus is 

 pi-oduced in health, as in catarrhs of nose, eyes, throat, 

 and other mucous membranes. They contain filaments of 

 precipitated mucin insoluble in acetic acid or alcohol, and 

 globular cells in all stages of change from the mucous to the 

 pus-corpuscle, the latter recognized by its bipartite or tri- 

 partite nucleus, manifested by contact with acetic acid. 



3d. Fibrinous Exudations. Inflammatory lymph. This 

 oozes out through the vessels in a liquid state and afterward 

 coagulates by reason of its contained fibrinogen or plasmin, 

 which exists ready formed, but in solution, in the blood. 

 It is the excess of plasmin which distinguishes this f i-om the 

 serous exudation. The coagulation of plasmin may result 

 from the ferment globulin escaped from the blood-globules, 

 and it always coagulates promptly on contact with inflamed 

 tissues, probably from the presence of the same or an 

 allied ferment. If, on the other hand, the exudation es- 

 capes into a healthy cavity, and comes in contact with 

 healthy tissues only, it may, like blood in similar circum- 

 stances, remain liquid for months. It is specially injurious 

 by enveloping organs (lungs, heart, bowels, iris) and hamper- 

 ing their movements, or by binding them to adjacent struct- 

 ures by false membranes. In coagulating it becomes first 

 fibrillar, then granular, and finally undergoes molecular dis- 

 integration (Oornil and Kanvier) or development into new 

 tissue (Paget). "When organized it usually takes the form 

 of the adjacent tissue ; in granulating wounds and between 

 serous membranes it is fibrous, and between the broken ends 

 of bones it is bony. 



Fibrinous exudations are especially seen in a high grade 



