by the method of karyometry , it has been demonstrated that injection of cortisone , triiodethyronine and somatotropic hormone on the 8 -- 9 -- 10th , as well as on the 11 -- 12 -- 13 -- 14th or on the 9 -- 10 -- 11 -- 13 -- 14th days of gestation produce statistically significant volumetric decrease or increase of the ganglionic cell nuclei in the retina of 15-day-old embryos or/or .
C0035298
retina
C0015392
or