Fig. 4From: Activation of peroxisome proliferator–activated receptor gamma induces anti-inflammatory properties in the chicken free avian respiratory macrophagesPhotomicrographs showing internalized polystyrene based particles (arrows) in (a) troglitazone untreated FARM and (b) troglitazone treated FARM (b). The FARM and the particles were co-cultured in RPMI 1640 culture medium for 3 h. The photomicrographs were prepared from semithin (1 μm) sections cut from processed blocks of epoxy resin embedded cell suspension. (×400)Back to article page