THE AMPHIBIAN GERMINAL VESICLE 



173 



GERMINAL VESICLE 



OVARIAN EGG 



OF 



ANURAN 





9^ 



4 





CHROMOSOME CORE 

 IN CENTER^ SACS 



ON SURFACE' COLLJOID 

 GROUND SUBSTANCE 





GERMINAL VESICLE 

 STUDIES 



(Courtesy Dr. W 



Its o^ ■ ;- •..♦--s'-.o, '^•'^JB 



SIDE VIEW VESICLE SACS 8 MEMBRANE 



SURFACE VEW OF VESICLE SACS 



:^;- 



ty: *W^ 



^ 



%. 



/ 



TEMPORARIA CHROMOSOME IN 0.1% NACL 



R. P1PIENS CHROMOSOMES IN 

 GERMINAL VESICLE 



OUTWARD FLOW OF SHRINKAGE (70%) 



" COLLOID UPON TEARING DURING FIXATION OF 



^",- NUCLEAR MEMBRANE ■ OF T PYRRHOCASTER 



GERMINAL VESICLE 



NUCLEAR SUBSTANCE A GEL. 



