Fig. 2From: Uterine transcriptome analysis reveals mRNA expression changes associated with the ultrastructure differences of eggshell in young and aged laying hensScaning electron micrograghs showing a mammillary view (a; magnification, 100×) of eggshell, normal mammillary body (b; 500×), early fusion of mammillary knobs (c; 500×) in young hen group (42 wk. of age) and late fusion of mammillary knobs (d; 500×) in aged hen group (72 wk. of age)Back to article page