Acute and Chronic Local Inflammatory Reaction after Implantation of Different Extracellular Porcine Dermis Collagen Matrices in Rats

Figure 1

Haematoxylin/Eosin ((a) and (b)) and Gomori’s trichrome ((c) and (d)) staining of Permacol ((a) and (c)) and NRX ((b) and (d)) membranes before implantation (objective lens magnification 20×). Porcine collagen fibres are stained green ((c) and (d)).

(a)

(b)

(c)

(d)