viii Contents 



PAGE 



Morphological aspects of ageing in the placenta 



by G. B. Wislocki 105 



Discussion: Amoroso, Dawes, Hamilton, Harrison, Hug- 



GETT, JOST, VlLLEE, WlSLOCKI . . . . .114 



Chronological changes in placental function 



by A. St. G. Huggett ...... 118 



Discussion: Amoroso, Dawes, Huggett, Jost, Tuchmann- 



Duplessis, Zuckerman . . . . . .125 



Biochemical evidence of ageing in the placenta 



by C. A. Villee 129 



Discussion: Amoroso, Dempsey, Huggett, Jost, Villee, 



Williams, Wislocki, Yemm . . . ' . . . 144 



Uptake of radio-potassium ( 42 K) by the uterus and placenta 

 during the advancement of pregnancy in the rat and the 

 goat 



by R. J. Harrison and J. L. D'Silva .... 148 



Discussion: Amoroso, Hamilton, Harrison, Huggett, 



Montagna, Strauss, Wislocki . . . . .159 



Modifications in the foetal development of the rat after 

 administration of growth hormone or cortisone to the 

 mother 



by h. tuchmann-duplessis and lucette mercier- 



Parot 161 



Discussion: Amoroso, Huggett, Jost, Montagna, Strauss, 



TUCHMANN-DUPLESSIS, WILLIAMS . . . . .173 



The growth cycle of deer antlers 



by G. B. Wislocki 176 



Discussion: Bourliere, Boyd, Dempsey, Huggett, Mat- 

 thews, Strauss, Wislocki, Zuckerman . . .183 



Ageing of the axillary apocrine sweat glands in the human 

 female 



by W. Montagna ....... 188 



Discussion: Amoroso, Harrison, Huggett, Medawar, 



Montagna, Strauss, Zuckerman . . . . .199 



