Canine, root of the penis. Identify: retractor penis m. (1), bulbospongiosus m. (2), bilateral ischiocavernosus mm. (3) covering each crus of the penis. The free part of the penis (asterisk) is covered by skin that is reflected onto the wall of the prepuce.

Also find: external anal sphincter (4), coccygeus m. (5), levator ani m. (6), internal obturator m. (7), ishiourethralis m. (8), gracilis m. (9), semimembranosus m. (10), semitendinosus m. (11), and biceps femoris m. (12).

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