A,B,C, relative abundances of Δ-unsaturated, even numbered domains of increasing chain length grouped by number of Ac (0, 1 or 2). D,E,F, relative abundances of saturated, even numbered domains of increasing chain length grouped by number of Ac (0, 1 or 2). G,H,I, relative abundances of saturated, odd numbered domains of increasing chain length grouped by number of Ac (0, 1 or 2). Tissue types used were as follows: aorta, 1.1 M bovine kidney, 1.25 M bovine kidney, intestine and lung.