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3. A general term referring to disease of the joints. Arthritis includes over 100 different diseases, often involving aches and pains in the joints and connective tissues throughout the body. Most forms of arthritis are chronic, but proper treatment can frequently reduce symptoms substantially.
6. age related hearing loss. "old man's hearing"
8. A role that an older person assumes when their children have children of their own.
9. A clonal growth (cells all descended from one ancestral cell) that undergo continuing mitotic divisions and are not inhibited in their growth when they come in contact with neighboring cells (contact inhibition).
11. A serious disorder that involves sadness, lack of interest, and other symptoms, such as hopelessness and decreased energy, for at least 2 weeks.
12. disease: Activities of daily living, basic tasks that one needs to perform in order to survive.
15. Symbols, sounds, and gestures used by a common group to share thoughts, ideas, and emotions.

1. A collection of eye disorders characterized by a buildup of viscous fluid (aqueous humor) in the intraocular cavity.
2. Damage to the inner ear of unknown cause that leads to progressive deafness.
4. The quality of sound.
5. apraxia a neurological disorder characterized by impairment in initiation, coordination, and sequencing of muscle movement, which results in difficulties executing mouth and speech movements.
7. A syndrome characterized by a decline in intellectual functioning. May be caused by more than 70 diseases, the most common being Alzheimer's Disease.
10. Activities of daily living, basic tasks that one needs to perform in order to survive.
13. The time of life when a woman ceases to menstruate and can no longer become pregnant, usually about age 45 to 50.
14. degeneration A condition in which neurons in the center part of the retina no longer function.