Fig. 1. Anatomy of perinatal rat urethra and associated reproductive organs. Orientation is as follows: top of figure is dorsal, bottom is ventral, left is caudal and right is cranial. (A) A P0 male rat urogenital tract: DP, dorsal prostate; DLP, dorsolateral prostate; AP, anterior prostate (also termed coagulating gland); VP, ventral prostate; UR, urethra; VD, vas deferens; BL, bladder. (C) A P0 female urogenital tract: VMP, ventral mesenchymal pad; UR, urethra; BL, bladder; Vg, vagina; Cx, cervix; Ut, uterus. (B,D) Diagrams of A,C showing the relative positions of the VP and VMP. Scale bar: 1 mm.
