Figure 4From: Evaluation of five different suture materials in the skin of the earthworm (Lumbricus terrestris)Grade 3 reaction to 4–0 nylon suture in the earthworm ( Lumbricus terrestris ) body wall, showing three multinucleate giant cells (G) at the edge of the blastema cell reaction to the left. Hematoxylin and eosin stain.Back to article page