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DISCUSSION 



Hamilton: I was very interested to hear what Prof. Wislocki had to 

 say on the placenta. Anything he has to say concerning the placenta is 

 always received with very great interest. 



As you know, I have been interested in the placenta for a great many 

 years and within the last five or six years Prof. Boyd and I have been 

 particularly concerned with the investigation of the human placenta 

 in situ, concerning which we have chiefly considered two aspects. First, 

 the changes that are occurring in the placenta itself and secondly, those 

 in the endometrium, which like the placenta is a transient tissue. To 



