Figure 4From: Apoptosis of resident and inflammatory macrophages before and during the inflammatory response of the virgin bovine mammary glandProportion of apoptotic macrophages in situ. Relative proportion of apoptotic cells in population of non-vacuolized (a) and vacuolized macrophages (b) (mean ± S.D.) in mammary lavages collected before and 24, 48, 72, and 168 h after intramammary instillation of PBS or LPS. Significant between-treatment differences are marked with asterisks (**P < 0.01).Back to article page