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.
1 In addition to his flat in London, he has a villa in Italy and a castle in Scotland. 2  The castle is set on a steep hill. 3  The castle's great hall was decorated with sumptuous wall hangings.  The fortifications of the castle were massive and impenetrable.