formol-calcium fixative

for·mol-·cal·ci·um fix·a·tive

a fixative for preservation of lipids.
References in periodicals archive ?
3 mL of hemolymph was extracted from the posterior adductor muscle of each animal using a 25-gauge needle and added to an equal volume of either Baker's formol-calcium fixative (4% formaldehyde, 2% sodium chloride, 1% calcium acetate) or to 0.