However, note that other causes of the symptom 'Muscle mass loss' may be possible. Research the causes of these symptoms that are more broader types of symptom than Muscle mass loss: Muscle atrophy (351 causes)
intrinsic meaning, definition, what is intrinsic: being an extremely important and basic characteristic of a person or thing: . Learn more.
Intrinsic factor is a protein produced by the cells of the stomach, parietal cells, which also produce the acid (gastric juice) for digestion.The intrinsic factor is the compound which facilitates and allows the absorption of vitamin B12 from food in the stomach and the intestines.ntrinsic factor is a protein produced by the cells of the stomach, parietal cells, which also produce the acid (gastric juice) for digestion.