Egg Cell - The female gamete, or sex cell, which carries the hereditary material of the female parent and unites with the male sperm cell during sexual reproduction.⏎
Encephalitis - Inflammation of the brain, often caused by a virus.⏎
Ecology - A branch of science that deals with the relation of organisms to one another and their physical environment.⏎
Epidemic - An often sudden increase in the level of disease in a specific population over a given period of time.⏎