CYTOLOGICAL STUDIES ON THE INTERNAL 



SECRETORY FUNCTIONS IN THE HUMAN 



PLACENTA AND DECIDUA 



GENCHO FUJIMURA 

 Osaka Medical College, Osaka, Japan 



TWO DOUBLE PLATES (nINETY-SIX FIGURES) AND ONE TEXT FIGURE 



CONTENTS 



Introduction 486 



Materials and methods 491 



My own observation 493 



1. The syncytium cell layer 494 



2. The Langhans' cells 500 



3. The stroma cells of villi 502 



4. The decidual cells 504 



5. The epithelium of the uterine gland 511 



The histological structures and their functionary significance (some reflec- 

 tions on literature) 514 



The phenomena of internal secretion in various cells of the placenta and 



decidua 530 



1. The phenomena of internal secretion in the syncytium layer 530 



2. The phenomena of secretion of the Langhans' cells 533 



3. The phenomena of internal secretion in the stroma cells of villi 536 



4. The phenomena of internal secretion of decidual cells 538 



5. The phenomena of secretion in the uterine glandular cells at the time 



of pregnancy 543 



Summary 544 



The minute histological structure and phenomena of internal secretion in 

 the uterine mucous membrane prior to menses 550 



1. My own observations 550 



a. The changes of the interstitial cells 550 



b. The changes of the glandular cells 552 



2. The phenomena of internal secretion 553 



Conclusion 555 



Literature cited 562 



485 



JOURNAL OP MORPHOLOGY, VOL. 35, NO. 3 

 SEPTEMBER, 1921 



