Search results
Results From The WOW.Com Content Network
Recording of the Electrogastrogram can be made from either the gastrointestinal surface mucosa, serosa, or the external skin surface.The cutaneous electrogastrography provides an indirect representation of the electrical activity, that has been demonstrated in numerous studies to exactly correspond to simultaneous recordings of the mucosa or serosa.
The stomach contains receptors that can detect the presence of nutrients, but there are detectors in the intestines as well, and the satiety factors of the stomach and intestines can interact. [ 15 ] [ 16 ] [ 17 ] Cholecystokinin (CCK) is a peptide hormone secreted by the duodenum that controls the rate of stomach emptying.
The human stomach has receptors responsive to sodium glutamate [38] and this information is passed to the lateral hypothalamus and limbic system in the brain as a palatability signal through the vagus nerve. [39] The stomach can also sense, independently of tongue and oral taste receptors, glucose, [40] carbohydrates, [41] proteins, [41] and ...
It can cause stomach aches, gas, constipation, diarrhea and a whole host of other wonderful conditions. Some evolutionary scientists say that the human mind hasn't yet evolved to handle our not ...
The function of the GI tract is to process ingested food by mechanical and chemical means, extract nutrients and excrete waste products. The GI tract is composed of the alimentary canal, that runs from the mouth to the anus, as well as the associated glands, chemicals, hormones, and enzymes that assist in digestion.
The acid and semi-digested fats in the duodenum trigger the enterogastric reflex – the duodenum sends inhibitory signals to the stomach by way of the enteric nervous system, and sends signals to the medulla that (1) inhibit the vagal nuclei, thus reducing vagal stimulation of the stomach, and (2) stimulate sympathetic neurons, which send ...
The stomach is a distensible organ and can normally expand to hold about one litre of food. [22] This expansion is enabled by a series of gastric folds in the inner walls of the stomach. The stomach of a newborn baby will only be able to expand to retain about 30 ml.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!