1. Glans penis Testes Epididymis Pampiniform plexus Inguinal canal Ureter Rectum Sigmoid colon Seminal vesicle Urinary bladder Spermatic cord (covered by oval) Vas/ductus deferens Scrotal sac/scrotum

2. Glans penis Navicular fossa Corpus spongiosum Penile/spongy urethra Corpus cavernosum Ejaculatory duct Rugae of bladder Ampulla of vas/ductus deferens

3. Taenia coli Corpus cavernosa Corpus spongiosum Spermatic cord Inguinal canal Appendix Cecum Ileocecal valve Ileum Haustra Penile/spongy urethra Ureter Vas deferens

4. Bulbourethral gland Duct of bulbourethral gland Vas deferens Rectum Corpus cavernosum Prostatic urethra

5. Bulbourethral gland Ejaculatory duct Urogenital diaphragm Membranous urethra Vas/ductus deferens Internal urethral sphincter

6. Prostate gland Prostatic urethra Trigone Internal anal sphincter Vas/ductus deferens Urogenital diaphragm Corpus spongiosum External anal sphincter

7. Glans penis Cremaster muscle Spermatic cord Epididymis: Head Body Tail Pampiniform plexus Vas/ductus deferens Prepuce Peritoneum Detrussor muscle

8. Cremaster muscle Glans penis Urinary bladder/ Detrussor muscle Vas deferens Prepuce

9. Internal anal sphincter External anal sphincter Prostate gland Ampulla of Vas deferens Seminal vesicles Ureter

10. Bulbospongiosus muscle Ischiocavernosus muscle Cremaster muscle External anal sphincter Anus

11. Scrotal septum Scrotum Cremaster muscle Glans penis Navicular fossa Corpus cavernosum Corpus spongiosum External anal sphincter Internal anal sphincter Urogenital diaphragm Ejaculatory duct Trigone Internal urethral sphincter Pubic symphysis Bulbourethral gland

12. Cremaster muscle Vas/ductus deferens Epididymis Tunica albuginia on outside of testis Spermatic cord Corpus spongiosum Corpus cavernosum Tunica vaginalis Penile/spongy urethra Bulb of the penis Bulbospongiosus muscle

13. Vas/ductus deferens Seminal vesicle Prostate gland Ampulla of vas/ductus deferens Ureter

14. Ureters Seminal vesicle Prostate gland Bulbourethral gland Vas/ductus deferens

15. Gubernaculum Tail of epididymis Body of epididymis Head of epididymis Tunica albuginia Spermatic cord

16. Numerous seminiferous tubules Tunica albuginia, reflected Gubernaculum

17. Tunica albuginia Tunica vaginalis Vas/ductus deferens Body of epididymis Spermatic cord

18. Corpus spongiosum Corpus cavernosum Spongy/penile urethra