mouse embryos ( strain nmri ) of days 9 + 2h , 9 + 12h , 10 + 2h , 10 + 12h , 11 + 2h , 12 + 2h , 13 + 2h , and 14 + 2h were fixed ( i ) in 3 % glutaraldehyde + 3 % paraformaldehyde , ( ii ) in 1 % glutaraldehyde + 1 % tannic acid , or ( iii ) in 1 % glutaraldehyde + 1.5 % ruthenium red .
C0982178
glutaraldehyde
C0017814
glutaraldehyde