Posted by lae2 on October 10, 2017 at 15:19:20:
1. The posterior border of the urogenital triangle is at the posterior free edge of the urogenital diaphragm.
2. In the female, the urogenital triangle includes passage of the vagina and rectum.
3. The conjoint rami and pubic symphysis define the anterior and lateral boundaries of the urogenital triangle.
4. The lesser sciatic foramen provides an osseofibrous communication between the gluteal region and the potential space defined by Scarpa's fascia.
5. The deep dorsal vein of the penis drains into the external pudendal vein.
6. The deep dorsal vein passes from the pelvis to the penis.
7. The dorsal nerve passes from the ischiorectal fossa to the penis.
8. The deep branch of the perineal nerve passes from the ischiorectal fossa to the superficial pouch by passing through the superficial perineal fascia.
9. The deep artery passes through the deep pouch and then the tunica albuginea of the corpus spongiosum.
10. The dorsal nerve passes superficial to tunica albuginea and deep to Buck's fascia.
11. The dorsal artery travels lateral to the dorsal nerve as these two structures are on the dorsum of the clitoris.
12. The superior and inferior fascia combine at the anterior free edge of the urogenital diaphragm to form the arcuate ligament.
13. The frenulum of the clitoris is posterior the prepuce of the clitoris.
14. The glans of the penis and the glans of the clitoris are derived from the corpora cavernosa.
15. Despite that they are innervated by the somatic nervous system, the ischiocavernosus and bulbospongiosus muscles may, at times, contract involuntarily.
16. The frenulum of the labia
17. An episiotomy may include surgical incision of the posterior labial commissure and perineal body, but in most cases, not the frenulum of the labia (fourchette).
18. The paraurethral glands secrete fluids into the membranous urethra.
19. The bulbourethral glands secrete fluids into the spongy urethra.
20. Scarpa's membranous tela subcutanea of the penis (Colles fascia) attaches to Buck's fascia at the base of the glans.
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