reflection

reflection /re·flec·tion/ (-flek´shun)

1. a turning or bending back upon a course.

2. an image produced by reflection.

3. in physics, the turning back of a ray of light, sound, or heat when it strikes against a surface that it does not penetrate.

4. a special form of reentry in which an impulse crosses an area of diminished responsiveness to excite distal tissue then returns, retracing its path rather than traversing a circuit, to seesaw back and forth.

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re·flec·tion (r-flkshn)

n.

1. The act of reflecting or the state of being reflected.

2. Something, such as light, radiant heat, sound, or an image, that is reflected.

3. The folding of a membrane from the wall of a cavity over an organ and back to the wall.

4. The folds so made.

5. Mental concentration; careful consideration.

6. A thought or an opinion resulting from such consideration.

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re·flection·al adj.

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reflection,

n the act of elevating and folding back the mucoperiosteum, thereby exposing the underlying bone.

reflection, mucobuccal,

n See fold, mucobuccal.

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reflection

a turning or bending back, such as the folds produced when a membrane passes over the surface of an organ and then passes back to the body wall that it lines.