GLANDS CONNECTED WITH THE INTESTINAL CANAL. 299 



Fig. 197. 



ciliated ; they also possess a layer o£ unstriated muscle-fibre 

 (Eberth). 



C The pigment of 

 the liver varies very 

 much in amount and 

 character^ according 

 to the time of the 

 year and state of 

 health of the animal. 

 According to Eberth 

 the pigmentary masses 

 are of about the same 

 size as the white blood- 

 corpuscles, andare pos- 

 sessed of the power of 

 amoeboid movement 

 (in young animals). 



f^, ,, Liver-cells, after Kupifer. 



ihe cells possess two 



to seven nuclei and vary much in colour and distribution. 



a rule the larger the amount of pigment in a given liver 



As 

 the 



Fig. 1 98. 



The bile-capillaries; natural injection with sulphindigotate of sodium: vv v represent 

 blood-capillaries. — G. H. 



smaller is the number of fat-globules found in the individual 

 liver-cells (Eberth).] 



(2) [The gall-bladder and bile-ducts. The gall-bladder has four 

 coverings. 



