Tissue Culture - The process by which tissues are intentionally grown under controlled conditions.⏎
Universal Flu Vaccine - A vaccine that is effective against all forms of the influenza virus.⏎
Trachea - The main trunk of the network of tubes that carries air to and from the lungs, sometimes referred to as the “windpipe.”⏎
Transition Zone - The area, sometimes referred to as an ecotone, encompassing the edges of two distinct ecosystems, such as the area where a forest intersects with grassland.⏎
White Blood Cell - A special type of cell that works as part of the immune system to defend the body against disease and infection.⏎