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.
This ocher-colored house is the place where Vlad Tepes, the inspiration for Bram Stokerâs famous Dracula, was born in 1431 and lived with his father, Vlad Dracul (read more about the story of the Dracul name) , until 1435 when they moved to Targoviste.