CANKERS
- CANKER, to affect with ulcerous sores [v]
- A necrotic, fungal disease of apple and other trees that results in damage to the bark
- An open lesion in plant tissue caused by infection or injury
- An ulcerous condition or disease, in particular
- Fungal rot in some fruits and vegetables, e.g., parsnips and tomatoes
- A small ulcer of the mouth or lips
- Ulceration of the throat and other orifices of birds, typically caused by a protozoal infection
- Inflammation of the ear of a dog, cat, or rabbit, typically caused by a mite infestation
- A malign and corrupting influence that is difficult to eradicate