Gross view of mouse male urogenital organs. (A) Anterior and (C) posterior aspects of the urogenital tract dissected from an adult male mouse, as seen under the dissecting microscope. Urethra (U), Seminal vesicles (SV); (B) and (D) show the same images with dashed and dotted lines delineating the ventral (VP), lateral (LP), anterior (AP), and dorsal (DP) prostate lobes; (E) Anterolateral view (left side) of the prostate lobes relative to the bladder, seminal vesicles, and urethra (Modified from: Sugimura, Y., et al. [15]). Scale bar, 1 cm.