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.
Substances, mixtures and exposure circumstances in this list have been classified by the International Agency for Research on Cancer (IARC) as Group 2B: The agent (mixture) is possibly carcinogenic to humans.The exposure circumstance entails exposures that are possibly carcinogenic to humans.This category is used for agents, mixtures and exposure circumstances for which there is limited evidence of carcinogenicity in humans and less than sufficient evidence of carcinogenicity in experimental animals. Agents Classified by the IARC Monographs, International Agency for Research on Cancer. 2  IARC Monographs-Classifications-by Group. 3  IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, Volume 51: Coffee, Tea, Mate, Methylxanthines and Methylglyoxal.