electron microscopic investigations of secretory ameloblasts from deciduous tooth germs of mini-pig foetuses and investigations of the ability of various fixatives to preserve these cells in tooth germs immersion-fixed in to 5 min , 10 min , 15 min , 20 min and 40 min after death of the mother gave the following results : 1 .
C1327616
secretory
C0007634
cells