Tissue Culture - The process by which tissues are intentionally grown under controlled conditions.⏎
Symptom - A subjective indication of the presence of disease or a departure from the body’s normal state of functioning. ⏎
White Blood Cell - A special type of cell that works as part of the immune system to defend the body against disease and infection.⏎
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.⏎
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.⏎