XXII] INTESTINE 179 



around the follicles may be a zone containing very few leucocytes, 

 and representing the lymph sinus. 



The lymphatics of a Peyer's patch can be injected with Prussian 

 blue (cp. Less. xvm. Notes). 



Brunner's glands are massed close to the pylorus in Carnivora 

 and in Rodents ; in some animals they are more scattered. The 

 appearance of the gland-cells varies in different animals ; in some 

 they are full of distinct granules iii the living state. 



122 



