lesion

Definition : A lesion is any abnormal damage or change in the tissue of an organism , usually caused by disease or trauma . Lesion is derived from the Latin word "laesio", meaning injury . Lesions may occur in plants as well as animals.

In this website, we will prefer the word " anomalies " to the word " lesions ", because this last word implied a damage by a cause , that is not always present.

According to the level of the dmage / lesion

 cellular damage / cell damage
 cellular lesion / cell lesion

 tissular damage / tissue damage
 tissular lesion / tissue lesion

 organ damage / organ damage
 organ lesion / organ lesion

See also

 diseases
 pathogen agents