LECTURE IX. 



MARCH 13, 1858. 

 PYAEMIA AND LEUOOOYTOSIS. 



Comparison between colourless blood- and pus-corpuscles Physiological re-absorp 

 tion of pus ; incomplete (inspissation, cheesy transformation), and complete 

 (fatty metamorphosis, or milky transformation). Intravasation of pus. 



?us in the lymphatic vessels Retention of matters in the lymphatic glands Me- 

 chanical separation (nitration) Coloration by tattooing Chemical separation 

 (attraction) : Cancer, Syphilis Irritation of lymphatic glands, and its relation to 

 leucocytosis. 



Digestive and puerperal (physiological) leucocytosis Pathological leucocytosis 

 (Scrofulosis, typhoid fever, cancer, erysipelas) 1 . 



Lymphoid apparatuses : solitary and Peyerian follicles in the intestines Tonsils 

 and follicles of the tongue Thy mus Spleen. 



~!omplete rejection of pyaemia as a dyscrasia susceptible of demonstration morpho- 

 logically. 



IN a practical point of view the question of pycemia 

 forcibly intrudes itself upon us in connection with the 

 changes which we have last considered, and as this must 

 still be reckoned among the most controvertible of sub- 

 jects, you will, I hope, allow me to enter a little more 

 particularly into its details. 



What is to be understood by pysemia 1 It has gene- 

 rally been conceived to be a condition, in which the 

 blood contains pus, and as pus is essentially characterized 

 by its morphological constituents, what is meant of 

 course is, that pus-corpuscles are to be seen in the blood. 

 Now that we have found out, however, that the colour- 



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