Fig. 7
From: Macromolecules in polysorbate 80 for injection: an important cause of anaphylactoid reactions

Hematoxylin–eosin (HE) staining on guinea pig’s skin section. The fields were near to the injection sites. Skin treated with Component A (A), Component B (B), Component C (C), the original TW80 (D), normal saline for injection (E), and C48/80 (G). The arrows showed hydropic degeneration. Bar = 100 μm