Step 1: Identify male reproductive glands.
Seminal vesicles, prostate gland, and bulbourethral glands are accessory glands of the male reproductive system.
Step 2: Know about Bartholin's glands.
Bartholin's glands are part of the female reproductive system, located on either side of the vaginal opening.
Conclusion: The gland not associated with the male reproductive system is Bartholin's glands (Option 4).