THE LIVER 



433 



is much smaller and is prismatic. The right central lobe is second in size, and pre- 

 sents a somewhat tongue-shaped quadrate lobe, marked off by the deep fissure in 

 which the gall-bladder lies. The right lateral lobe is third in size, and is oval in 

 outline. On its visceral surface is the large caudate lobe ; this consists of two parts 



post, t/ena caii'a 



deduct 



l/'ttbilical fissurr 



Fig. 339. — Liver of Dog. 

 Soft specimen sketched with lobes drawn ajiart. 



Hepatic 

 (Esophageal notch artery 



Posterior vena cava 



Left lateral 

 ligament 



Renal im- 

 pression (of 

 caudate lobe) 



Portal vein 



Bile due: 



Right lateral 

 lobe 



Gall-bladder 

 {not visible) 



Papillary 

 lobe 



Gastric im- 

 pression {of 

 left lateral 

 lobe) 



Right central lobe 



Fig. 340. — Liver of Dog, Viscer.\l Surface; Hardened ?'n situ. 

 Left central lobe, gall-bladder, and great part of right central lobe not visible. 



— on the right, the caudate process; on the left, the papillary process or lobe, both 

 often being subdivided by fissures. 



When hardened in situ (with the stomach full), the gland presents the following 

 characters : 



The visceral surface is marked by a somewhat oblique ridge (corresponding to 

 28 



