The motor point is usually located at the center of the muscle mass where the motor nerve enters the muscle.
Definition A carcinogen is defined as something that can directly cause cancer. This can be a chemical substance, a virus, or even the medications and radiation we use to treat cancer. While many cancers are caused by a carcinogen or combination of carcinogens, the tendency to develop cancer may also be inherited as part of our genome.
Dictionary entry overview: What does carcinogen mean? â¢ CARCINOGEN (noun) The noun CARCINOGEN has 1 sense: 1. any substance that produces cancer Familiarity information: CARCINOGEN used as a noun is very rare.