identity n. 2. The set of behavioral or personal traits by which an individual is recognizable as a member of a group. 3. The quality or condition of being the same as something else.

plaque n. 3.b. A deposit of fatty material on the inner lining of the arterial wall, characteristic of atherosclerosis. c. A scaly patch formed on the skin by psoriasis. d. A film of mucous and bacteria on the tooth surface.

academic adj. 4. Scholarly to the point of being unaware of the outside world. 8. Having no practical purpose or use.

—American Heritage College Dictionary