Canine, root of the penis dissected to remove the retractor penis m., the bulbospongiosus m., and the bulb of the penis. Bilaterally, the corpus cavernosum penis (1) forms the crus (2) of the penis which attaches to the ischium (3). Each crus is covered by an isciocavernosus m. (4).

Also find: external anal sphincter (5), internal obturator m. (6), ishiourethralis m. (7), gracilis m. (8), semimembranosus m. (9), and semitendinosus m. (10).

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