THE PELVIS AND THE VISCERA 



129 



axis of the cavities becomes modified. Since most of 

 the organs are suspended from the walls of the cavities 

 it is this method of suspension which naturally becomes 



FIG. 47. MEDIAN SECTION OF A YOUNG FEMALE PIG, TO SHOW 

 THE RELATION OF THE VENTRAL SYMPHYSIS (V.S.) TO THE 

 VISCERA. 



FIG. 48. MEDIAN SECTION OF A FULL-TERM HUMAN FEMALE 

 FOETUS, TO SHOW THE RELATION OF THE VENTRAL SYM- 

 PHYSIS (V.S.) TO THE VISCERA. 



most markedly affected. Briefly, we may say that when 

 the trunk axis becomes more upright, all the viscera tend 

 to sink towards the hind end of the body, and they tend 

 to be suspended from the head end of the cavities rather 

 than from the dorsal aspect. There is no need to describe 



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