vi PEEGNANCY PAETUEITION PUEEPEEIUM 257 



third day after parturition, and is often accompanied by sudden 

 turgescence of the glandular mass, increased sensitiveness of the 

 nipple, painful irritation of the axillary glands and an increase 



FIG. 112. Structural elements of the colostrum. (Bumm.) 1, drops of fat of various sizes ; 

 2, epithelia of mammary ducts; 3, colostrum corpuscles (leucocytes which have enveloped 

 fatty globules), some of which still possess a nucleus. 



FIG 113 Structural elements of milk. (Bumm.) 1, drops of fat (milk globules); 2, milk 

 'globules with remains of protoplasm of the glandular epithelium ; 3, milk globules with such 

 protoplasmic remains containing nuclei, i.e. the whole glandular cell. 



in the temperature of the axilla of 0-5-l-0 C. (Milk fever). In 

 a few days and in proportion as the glands are emptied these 

 signs of congestion become less marked and disappear. 



3 Under the microscope the true milk appears to be composed 

 of a clear plasma, in which float many little droplets of fat, some 

 VOL. v s 



