Zoonoses - Any disease that can be transmitted from vertebrate animals to humans.⏎
Sperm Cell - The male gamete, or sex cell, which carries the hereditary material of the male parent and unites with the female egg cell during sexual reproduction.⏎
Urogenital Disease - Disease of the organs involved in the excretion of fluids and reproduction.⏎
Vector - An organism (usually an arthropod such as a flea, mosquito, or tick) that carries an infectious agent from one host to another.⏎