356 



PHYSIOLOGICAL CHEMISTRY. 



(b) Granular Casts. The common hyaline material is ordinarily 

 the basic substance of this form of cast. The granular material 



FIG. 109. 



FIG. no. 



GRANULAR CASTS. 



a, Finely granular ; b, coarsely 



granular. 



EPITHELIAL CASTS. 



generally consists of albumin, epithelial cells, fat or disintegrated 

 erythrocytes or leucocytes, the character of the cast varying accord- 

 ing to the nature and size of the granules (Fig. 108, page 355, and 

 Fig. 109, above). Thus we have casts of this general type classi- 



FlG. III. 



BLOOD, Pus, HYALINE AND EPITHELIAL CASTS. 



a, Blood casts ; b, pus cast ; c, hyaline cast impregnated with renal cells ; 

 d, epithelial casts. 



