Huperzine A (HUP-er-zeen) is a potent chemical derived from a particular type of club moss (Huperzia serrata [Thumb] Trev.). Like caffeine and cocaine, huperzine A is a medicinally active, plant-derived chemical that belongs to the class known as alkaloids.It was first isolated in 1948 by Chinese scientists.uperzine A (HUP-er-zeen) is a potent chemical derived from a particular type of club moss (Huperzia serrata [Thumb] Trev.). Like caffeine and cocaine, huperzine A is a medicinally active, plant-derived chemical that belongs to the class known as alkaloids.
A gladiator (Latin: gladiator, swordsman, from gladius, sword) was an armed combatant who entertained audiences in the Roman Republic and Roman Empire in violent confrontations with other gladiators, wild animals, and condemned criminals.
Noun. 1. raptor-any of numerous carnivorous birds that hunt and kill other animals. bird of prey, raptorial bird. bird-warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings. Accipitriformes, order Accipitriformes-in some classifications an alternative name for the Falconiformes.