THE MICROSCOPE IN PATHOLOGY. 



275 



In contrast with this Fig. 224 shows the deposit of 

 miliary tubercle as it occurs iu tubercular meningitis. 



FIG. 223. 



Two smallest broncho-pneumonic depots. Tubercle granulation of Laennec. a, a. 

 The lumina of two adjacent small bronchi, the caseous secretion partially fallen out; 

 the walls infiltrated with cells and directly going over into catarrhal infiltration of the 

 surrounding parenchyma. By the coarse of the elastic fibres we may recognize every- 

 where how large the number of infiltrated alveoli is. &, b, b. Bloodvessels. 1-100 mm. 

 After RIXDFLEISCH. 



The inflammatory growth originates in the perivascular 

 lymphatic sheaths which inclose the small arteries of the 



