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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Anat Rec (Hoboken). 2016 Jan 30;299(3):385–399. doi: 10.1002/ar.23309

Figure 5.

Figure 5

Diagrams demonstrating that the penis is an “internal” organ housed within the preputial space. (A) Side view of the adult mouse external prepuce with a colorized SEM image superimposed. The penis is in its typical position almost 2mm from the tip of the prepuce. (B) Drawing of the mouse external genitalia depicting the external prepuce. (C) Three dimensional reconstruction of the prepuce and penis of an adult broad-footed mole demonstrating the position of penis relative to the prepuce. As in the mouse, the mole penis at rest is an “internal” organ housed within the preputial space. The perineal appendage (prepuce) merges with the body surface (green asterisks). The red arrowheads denote the reflection of the inner preputial epithelium onto the surface of the penis. Note the morphometric measures mentioned in the text.