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.⏎
Suburbanization - The process of land conversion and development around the periphery of major cities.⏎
Universal Flu Vaccine - A vaccine that is effective against all forms of the influenza virus.⏎
Staph Infection - An infection caused by any one of several harmful species or subspecies of bacteria of the genus Staphylococcus.⏎