alcohol, formalin, and acetic acid (AFA) fixative

al·co·hol, for·ma·lin, and a·ce·tic a·cid (AFA) fix·a·tive

(al'kŏ-hol fōr'mă-lin ă-sē'tik as'id fik'să-tiv)
A combination used for the fixation of nematodes, trematodes, and cestodes.
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