funct-, fungi- +

The co-ordinated activity of the lower brain stem and spinal cord when considered as a single functioning unit.

1. The capacity that a sensory stimulus possesses to induce a state of vigilance, awareness, or readiness in the cerebral cortex.
2. The induction of an activated electroencephalogram by a sensory stimulus.

1. Having two functions; such as, bifunctional neurons.
2. In chemistry Having or involving two functional groups or binding sites; such as, bifunctional reagents.

The trigonometric function of the complement of an angle.

The tangent, for example, is the cofunction of the cotangent.

A description of the relation between changes in the climate and consequent reductions in economic activity, relative to the rate of activity that would be possible in an unaltered climate.

1. No longer in existence; having ceased its functions; dead, extinct.
2. No longer operative, valid, or functional.

Death: "The suddent defunction of her father came as a shock."

1. Of or pertaining to defunction or dying.
2. Becoming defunct; dying.
3. A reference to the dead; a funeral.

1. Misspellings of dysfunction, dysfunctional.
2. Any disturbance in the function of an organ or body part.
3. Abnormal or impaired functioning, especially of a bodily system or social group.

1. An abnormal, inadequate, or impaired action of an organ or part.
2. Difficult function or abnormal function.

Examples of dysfunctions:

• Constitutional hepatic dysfunction, (familial nonhemolytic jaundice).
• Dental dysfunction (abnormal functioning of dental structures).
• Minimal brain dysfunction (attention deficit disorder).
• Placental dysfunction (dysmature placenta).
• Psychosexual dysfunction.
• Sexual dysfunction (a disturbance of sexual functioning).
• Erectile dysfunction is a consistent inability to sustain an erection sufficient for sexual intercourse.

1. Failing to perform the function that is normally expected.
2. Unable to function emotionally as a social unit.
3. In medicine, unable to function normally as a result of disease or impairment.

A medical abnormality in the functioning of an organ or other part or system of the body.

The work of the ego in perceiving reality, mediating between it and the person and adapting the person to reality.

Its tasks include perception, self-awareness, motor control, defencse mechanisms, replacement of the primary process of the id with the secondary process, memory, affects, thinking, thought synthesis, and creativity.

1. An action or use for which something is suited or designed.
2. An activity or role assigned to someone or something.
3. A social gathering or ceremony; especially, a formal or official occasion.
4. A quality or characteristic that depends upon and varies with another quality.
5. The action or purpose performed by an organ, part, or substance of the body.
6. The characteristic action of a compound due to its composition or structure.
7. Etymology: from Middle French fonction, from Old French function, from Latin functio, functionis, "performance, execution"; from functus, past participle of fungi, "perform, execute, discharge".

1. Having a practical application or serving a useful purpose.
2. In good working order or working at the moment.
3. Without apparent organic or structural cause; such as, functional disorder.