Fig. 4From: Selected mechanical properties of human cancellous bone subjected to different treatments: short-term immersion in physiological saline and acetone treatment with subsequent immersion in physiological salineThe appearance of non-treated, as well as acetone and saline-treated samples. A1–A2 the low-density sacral sample before and after treatment by a combination of acetone and ultrasonic bath (4 h); B1–B2/C1–C2: the relatively dense femoral head samples before and after treatment by a combination of acetone and ultrasonic bath (4 h); C3–C4: one of the samples (n = 3) was split longitudinally and vertically through the center. The samples treated with a combination of ultrasonic bath and acetone (4 h) still had a certain amount of bone marrow leftBack to article page