THE GLANDULAR SYSTEM 



235 



the foreign substance into their cells and retain and 

 neutralize it; or, by softening and suppuration, they 



\ 



FlG. 117. Diagram of a lymphatic gland, showing afferent (a. /.) and 

 efferent (e. /.) lymphatic vessels; cortical substance (C] ; medullary sub- 

 stance (M) ; fibrous coat (c} ; sending trabeculae (tr} into the substance of 

 the gland, where they branch, and in the medullary part form a reticulum ; 

 the trabeculae are surrounded by the lymph-path or sinus (/. s), which sepa- 

 rates them from the adenoid tissue (/. h) (Sharpey). 



"break out," and thus, by a discharge, expel the offen- 

 sive material. 



THE LIVER 



The liver occupies part of the right hypochondriac 

 and part of the epigastric region, immediately below 

 the diaphragm. It is the largest gland in the body, and 

 weighs about 4! pounds. It is lobular in form, consisting 



