| A | B |
| Alzheimer’s disease | A progressive brain disorder that includes not only memory loss, but also progressively severe confusion. |
| Benign | Term used to describe growths or tumors that are noncancerous. |
| Asynchrony | Body growth that occurs at different rates. |
| Cataracts | Eye condition in which the lens of the eye thickens and causes cloudy or distorted vision. |
| Cephalocaudal development | Development that occurs from the top of the head down to the extremities. |
| Chemotherapy | The use of cancer-killing chemicals or drugs. |
| Climacteric | When reproductive capacity declines or is lost for both men and women |
| Diabetic retinopathy | Eye disease that involves damage to the blood vessels in the retina, which causes blurred vision. |
| Glaucoma | Eye condition that involves damage to the optic nerve, and in which vision is distorted. |
| Ideology | The ideas and beliefs characteristic of a group, social class, or individual. |
| Incontinence | Involuntary urination or defecation. |
| Macular Degeneration | Eye disease that causes people to have difficulty seeing objects inside the center of the field of vision. |
| Malignant | Term used to describe growths or tumors that are cancerous. |
| Medicare | A government health insurance program that helps older adults pay for medical costs. |
| Menopause | When menstruation ceases for a year or more and women can no longer reproduce. |
| Osteoporosis | Progressive bone loss when calcium is depleted, causing bones to become brittle and more porous. |
| Sarcopenia | Term used to describe the loss of muscle mass and strength over time. |
| Tinnitus | A ringing sound in the ears. |
| Proximodistal development | Pattern of development that occurs from the body core to the extremities. |
| Presbycusis | Hearing loss associated with age, most often caused by damage to the inner ear. |