The healthy child Definition and Principles of Growth and Development 1. Introduction Growth and development are fundamental concepts in child health nursing, reflecting physical, cognitive, emotional, and social maturation from infancy to adulthood. Understanding these processes helps nurses provide age-appropriate care, monitor milestones, and identify developmental delays early. 2. Definition of Growth and Development A. Growth Example: B. Development Example: 3. Differences Between Growth and Development Aspect Growth Development Definition