arthritis

2. heat caused by physical stiffness or uncomfortable physical activity
4. a point at which parts of an artificial structure are joined
5. A disorder of structure of function in a human
8. a thin sheet of tissue or later of cells acting as a boundary, lining, or partition in an organism.
11. An abnormal enlargement of a part of the body, typically as a result of an accumulation of fluid.
12. Shared by, coming from, or done by more than one.

1. Physical suffering or discomfort caused by illness or injury
3. any of the pieces of hard whitish tissue making up the skeleton in humans and other vertebrates.
6. Not easily bent or changed in shape; Rigid
7. A physical or mental feature which is regarded as indicating a condition of disease, particularly such a feature that is apparent to the patient.
9. Characteristic of or relating to a class or group of things: not specific
10. A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful, especially as a reaction to Arthritis.