immersion of bovine parathyroid glands in a mixture consisting of 1 % glutaraldehyde , 1.5 % formaldehyde , and 2.5 % acrolein , followed by post-fixation in 1 % osmium tetroxide , resulted in high uniformity with only one cell variant , whereas the same fixation procedure led to disruption of cell membranes and formation of cell variants in rat parathyroids .
C0007603
cell membranes
C0007634
cell