242 



COMPAIIATIYK ANATOMY. 



munication with the intestine by means of one or more ducts 



dUCtUS rliulnlufluis) l (Fig. l'.>7, -A')- 



A gall-bladder (vesica fellea) may or may not be present, and 

 in the former case it is connected with the system of hepatic 

 ducts by means of a cystic duct (comp. Fig. 197, G, Dcy, Uh) 



Oe 



ED 



Bi 



lis, iusilil. 



. Ylsri;i; \ .i 



Oe, oesophagus ; .If, stomach ; JfP, small intestine : ED, larjje intestine ; L, liv.-i- : 

 illi, ^ill-bladder ; /'/;., pancreas: HI. iiiinary M.-uldiT ; L<j, Lif, the two lun^s, 

 with thuir network of vessels ; //, lu-art : ' '/, postcaval ; J'r, trachea. 



The liver of the Anamnia (<.//. Ganoids and Perennibranchi- 

 ates) is, as a rule, relatively larger (lian that of the Anmi<>t ; i. 

 ( 'anii\uK.ns (fat-eating) animals generally possess a larger liver 

 than Herbivores. 



shiL, r lr lotir.i livrr of the 1/unjivc'v uiiclcr^ocs a histologica] retrogressioTi 

 (falty metamorphosis) after Irau-t'oi'nritii.n. Tin- tnhnli disappear, and the cells 

 become filled with fat, and the. #ill-ld.-id'ici- and hile-diii-t hoeonie atmphii-d. 



