What does the prefix "neo-" mean in a medical context?

In a medical context, the prefix "neo-" means "new." This prefix is commonly used in various medical terms to denote a new or recent occurrence. For example, "neoplasm" refers to a new growth of tissue, which could be benign or malignant. The use of "neo-" highlights the idea of something that is newly formed or developed, making it significant in discussions around conditions such as cancer, where new tissue growth is often a key aspect of diagnosis and treatment. Understanding this prefix helps in interpreting medical terminology and grasping the basic concepts behind various medical conditions and treatments.