Figure 1. (a)–(c) Photomicrographs showing the initial, middle, and ampulla part parts of ductus deferens of Saudi camel during non-rutting season, respectively: columnar cell (arrow), basal cell (arrow head), connective tissue of submucosal layer (CT), lumen (L). 40X, 20X, 10X. (d)–(f) Photomicrographs showing the immunoreactivity of the initial, middle, and ampulla parts of ductus deferens of Saudi camel during non-rutting season, respectively: lining epithelium (arrows), connective tissue (CT). 40X, 40X, 4X.