| A | B |
| development | changes in the mental, emotional and social function |
| developmental task | a skill that must be completed during a stage of development |
| dysphagia | difficulty swallowing |
| dyspnea | difficult, labored or painful breathing |
| geriatrics | the care of aging people |
| gerontology | the study of the aging process |
| growth | the physical changes that are measured and that occur in a steady, orderly manner |
| menopause | when menstruation stops and there has been at least 1 year without a menstrual period |
| presbyopia | age-related farsightedness |