noun 1. a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection ...

A disease is an abnormal condition affecting the body of an organism. It is often construed to be a medical condition associated with specific symptoms and signs.

Definition of DISEASE. 1. obsolete: trouble. 2: a condition of the living animal or plant body or of one of its parts that impairs normal functioning and is typically ...

disease /dis·ease/ (dĭ-zēz´) any deviation from or interruption of the normal structure or function of any body part, organ, or system that is manifested by a ...

dis·ease (d-z z) n. 1. A pathological condition of a part, organ, or system of an organism resulting from various causes, such as infection, genetic defect, or ...

Disease: Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur ...

An interruption, cessation, or disorder of a body, system, or organ structure or function. illness, morbus, sickness A morbid entity ordinarily characterized by two ...

What is a disease? A disease is any disturbance or anomaly in the normal functioning of the body that probably has a specific cause and identifiable symptoms.

Definition and other additional information on Disease from Biology-Online.org dictionary.

Definition of DISEASE: an impairment of the normal state of the living animal or plant body or one of its parts that interrupts or modifies the performance of the ...