Fig. 1From: Monitoring the immune response of macrophages in tuberculous granuloma through the expression of CD68, iNOS and HLA-DR in naturally infected beef cattleLung of cattle: (a&b): large number of small gray to white yellowish tubercles (pearl tuberculosis) above visceral and the parietal pleura (arrows). (c&d): multiple nodular lesions (c, arrow); cut sections revealed cheesy necrotic material (d, arrows) with calcificationBack to article page