Fig. 4From: Injection laryngoplasty of human adipose-derived stem cell spheroids with hyaluronic acid-based hydrogel improves the morphological and functional characteristics of geriatric larynxEffects of hASC spheroid-loaded HA-based hydrogel on hypertrophy of aged laryngeal muscle. A Representative images of laminin (red) and fast-myosin heavy chain (MHC, green) staining of each group (scale bar: 100 μm). B Total myofiber cross-sectional area was much greater in the SP group than in the other groups (*p < 0.05, **p < 0.01)Back to article page