The enterogastric reflex is one of the three extrinsic reflexes of the gastrointestinal tract, the other two being the gastrocolic reflex and the gastroileal reflex.
enterogastric reflex A nervous reflex whereby stretching of the wall of the duodenum results in inhibition of gastric motility and reduced rate of emptying of the stomach. It is a feedback mechanism to regulate the rate at which partially digested food (chyme) leaves the stomach and enters the small intestine.  In Infants, there are reflexes called Moro, rooting, and sucking. Many of the reflexes of infants are lost as they grow older. For example, sucking from a nipple for food is different than using a straw. Use of the straw is not response to stimulus, and therefore not a reflex. Reflexes follow a Reflex ARC. The Arc is through the spinal cord. While the information gets sent to the brain (you know you touched something hot, or you are choking and coughing), the reflex totally by-passes the brain. The signal goes up the sensory nerve to the spinal cord and then down a motor nerve to produce the motion. All of the processing of the signal is done in the spinal cord. An autonomic reflex involves different centers in the brain and does not always trigger motion. Mainly reflexes are there to prevent … injuries because it's much faster than a voluntary response (actions/response you control). A reflex arc is basically: A stimulus is detected by the receptors in a sense organ. The signal goes up the sensory nerve to the spinal cord and then down a motor nerve to produce the motion. All of the processing of the signal is done in the spinal cord. An autonomic reflex involves different centers in the brain and does not always trigger motion. Medical Definition of ENTEROGASTRIC REFLEX. : reflex inhibition of the emptying of the stomach's contents through the pylorus that occurs when the duodenum is stimulated by the presence of irritants, is overloaded, or is obstructed. Tweet. : reflex inhibition of the emptying of the stomach's contents through the pylorus that occurs when the duodenum is stimulated by the presence of irritants, is overloaded, or is obstructed. The enterogastric reflex is one of the three extrinsic reflexes of the gastrointestinal tract, the other two being the gastrocolic reflex and the gastroileal reflex. The enterogastric reflex is stimulated in the duodenum by a pH of 3-4 and in the stomach by a pH of 1.5. Upon initiation of the reflex, the release of gastrin by G-cells in the antrum of the stomach is shut off. This in turn inhibits gastric motility and the secretion of gastric acid (HCl). A reflex is a quick involuntary action. There are five steps to a reflex: the stimulus occurs, the sensory neurons sense the stimulus, it sends a message to your spinal cord (… it doesn't reach the brain right then), the spinal cord sends a message to your motor neurons, and the reflex occurs. Use of the straw is not response to stimulus, and therefore not a reflex. Reflexes follow a Reflex ARC. The Arc is through the spinal cord. While the information gets sent to the brain (you know you touched something hot, or you are choking and coughing), the reflex totally by-passes the brain. A reflex is basically an automatic response, something you don't control e.g. your eyes blinking or you hands move away from a hot object. Mainly reflexes are there to prevent … injuries because it's much faster than a voluntary response (actions/response you control). Use of the straw is not response to stimulus, and therefore not a reflex. Reflexes follow a Reflex ARC. The Arc is through the spinal cord. While the information gets sent to the brain (you know you touched something hot, or you are choking and coughing), the reflex totally by-passes the brain. A reflex is a quick involuntary action. There are five steps to a reflex: the stimulus occurs, the sensory neurons sense the stimulus, it sends a message to your spinal cord (… it doesn't reach the brain right then), the spinal cord sends a message to your motor neurons, and the reflex occurs. The signal goes up the sensory nerve to the spinal cord and then down a motor nerve to produce the motion. All of the processing of the signal is done in the spinal cord. An autonomic reflex involves different centers in the brain and does not always trigger motion. Making the world better, one answer at a time. the enterogastric reflex is actaully a trio of reflexes that inhibit the vagal nuclei in the medulla, inhibit local reflexes and activate the sympathetic fibres that cause the pyloric sphincter to tighten and prevents further chyme entry into the small intestine. Use of the straw is not response to stimulus, and therefore not a reflex. Reflexes follow a Reflex ARC. The Arc is through the spinal cord. While the information gets sent to the brain (you know you touched something hot, or you are choking and coughing), the reflex totally by-passes the brain.
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what does the enterogastric reflex accomplish