GLANDS COXXEi'TED WITH THE IXTESTIXAL CANAL. 299 



ciliated ; they also possess a layer of unstriated muscle-fibre 

 (Eberth). 



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, aiidare pos- 

 sessed of the power of 

 amoeboid movement 

 (in young animals). 

 The cells possess two 

 to seven nuclei and vary much in colour and distribution. As 

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



Fig. 198. 



Liver-cells, after Kupfler. 



The bile-uapillaries ; natural injection with sulphindigotate of sodium : v \ v represent 

 blood-capUlaries. 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 

 covering's. 



