Spermatogenesis is the process of forming sperm cells by meiosis (in animals, by mitosis in plants) in specialized organs known as gonads (in males these are termed testes). After division the cells undergo differentiation to become sperm cells.
The Dracula of fiction lived in a place that was based on Bran Castle in Transylvania. Bram Stoker never visited Romania. He depicted the imaginary Dracula's castle based upon a description of Bran Castle that was available to him in turn-of-the-century Britain.
Hampstead is the fictional location of Lucy Westenra's tomb in Bram Stoker's novel Dracula. Lucy lured children to Hampstead Heath at night to drink their blood. During the course of their investigation, Drs. Van Helsing and Seward dined at Jack Straw's Castle and caught a cab near Spaniards Inn.