Table 1. Qualitative analyses of cell infiltrate in sponges treated with PBS, B.E or rP21.

Histological criteria	PBS	B.E.	rP21
Neutrophils	+	+++	+
Macrophages	++	++	+++
Lymphocytes	+++	+++	++
Plasma cells	++	+	+
Necrotic tissue	−	++	+
Inflammatory response	++	+++	++