The uterine horns were collected from control (Panel A, B) and study bitches (Panel C, D).

<p>In <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0121597#pone.0121597.g004" target="_blank">Fig. 4C</a>, endometrial hyperplasia, dilated glands, inflammatory cells and haemorrhages in the stroma. In <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0121597#pone.0121597.g004" target="_blank">Fig. 4D</a>, dilated gland lined partially by epithelium with vacuolated cytoplasm, lymphocytes within the stroma were present. Microphotographs of uterine horn sections stained with H-E, original magnification 4A, 4C 40x; 4B, 4D 200x.