Quain's elements of anatomy . r, but also portions of what have hitherto beenjeckoned as belonging to the under surface, viz. a part of the left lobe, andthe whole of the Spig-elian lobe), looks altogether backwards, and may therefore FORM OF THE LIYEE. 621 be more correctly described as forming a third or posterior surface. TMs modeof description of the surfaces wUl therefore be followed here. The upper surface of the organ is convex, smooth, and covered withperitoneum. It is marked off into a right portion, large and convex,and a left portion, smaller and flatter, by the line of attachment o
Quain's elements of anatomy . r, but also portions of what have hitherto beenjeckoned as belonging to the under surface, viz. a part of the left lobe, andthe whole of the Spig-elian lobe), looks altogether backwards, and may therefore FORM OF THE LIYEE. 621 be more correctly described as forming a third or posterior surface. TMs modeof description of the surfaces wUl therefore be followed here. The upper surface of the organ is convex, smooth, and covered withperitoneum. It is marked off into a right portion, large and convex,and a left portion, smaller and flatter, by the line of attachment of thebroad ligament. It is exactly moulded to the under surface of the dia-phragm, and in specimens hardened in situ exhibits on the left portion ashallow impression corresponding to the situation of the heart. The under surface is concave and uneven. It is invested with peri-toneum everywhere except where the gall-bladder {) is adherent toit, and at the portal fissure Qj) where the fold of peritoneum termed the Fig. Fig. 539.—The liver of a young subject, sketched from below and behind. (Thedrawing has been made by Mr. Wesley from a cast prepared under the direction ofProf. His of Leipzig.) ^ , right lobe ; , left lobe; L S., lobe of Spigelius ; , caudate lobe; ,quadrate lobe; ^3, portal fissure; , umbilical fissure ; , fissure of the ductusvenosus ; , gall-bladder; , vena cava inferior ; , impression on the under sur-face of the left lobe corresponding to the stomach ; c, position of the cardia ; , projec-tion of the posterior surface of the left lobe against the lesser omentum (tuber omentale, His);, impressio colica ; , impressio renal is; , impressio supra-renalis; p^, p, p^, p^,lines of reflection of the jjeritoneum; x , surface of the liver uncovered by peritoneum. lesser omentum comes off, which encloses the blood-vessels and ducts ofthe viscus, and passes to the smaller curvature of the stomach. Theu
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