Gastrointestinal absorption. I. Mechanisms.
D001693:Biological Transport, Active; D004058:Diffusion; D004068:Digestive System Physiological Phenomena; D005753:Gastric Mucosa / Q000378:metabolism; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption; D007413:Intestinal Mucosa / Q000378:metabolism; D007420:Intestine, Large / Q000502:physiology; D007421:Intestine, Small / Q000502:physiology; D010873:Pinocytosis; D013270:Stomach / Q000502:physiology