Figure 1. Preparation and physical properties of AMC. (A) Filter sleeve used to separate and collect AMC. (B) Three sieves inside the filter sleeve. (C) Filter bag (100 mesh) for dehydrating AMC. (D) The entire filter device used to prepare AMC. (E, F) Appearance of AMC and Coleman fat (control) before grafting. (G) Stiffness analysis of AMC and Coleman fat (control) before grafting. (H) Collagen volume percentage of AMC and Coleman fat (control) before grafting. Results are presented as the mean ± SD (n = 7 per group). ** control vs. AMC; P < 0.01.