- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
This gland is located in the neck of the Axanar species. The zymuth gland releases triglobulin into the bloodstream. Several Axanar were killed and their triglobulin was harvested by an unknown species.