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What sphincter must open to permit vomiting?
The lower esophageal sphincter must open to allow for vomiting. This sphincter is located at the junction of the esophagus and stomach, and its relaxation allows the contents of the stomach to be expelled back up through the esophagus.
During what process does the cardiac sphincter open involuntarily?
the cardiac sphincter opens involuntarily during peristalsis, which is the process of wavelike muscle contractions of the alimentary tract that moves food along the oesophagus down to the stomach. :)
What is the difference between an orifice and sphincter?
The orifice is an opening such as the nostrils, mouth, etc. The sphincter is a muscle. These are like valves that only allow certain materials to go in and out and are often very tight, resulting in the action of peristalsis.
Where is the anal sphincter located?
Sphincters are muscular valves found throughout the body used to open or close an opening. An example is the cardiac sphincter which prevents food from coming back up the esophagus after swallowing
Do grasshoppers have an open circulatory system?
Yes, grasshoppers have an open circulatory system. This means that their blood is not enclosed within vessels and instead bathes their internal organs directly. The blood, called hemolymph, circulates through the body cavity.
What happens for micturition to occur?
1) The detrusor muscle must contract 2) The internal urethral sphincter must open 3)The external urethral sphincter must open
What causes the gastroesophageal sphincter to open to allow food to enter the stomach?
the arrival of the peristaltic wave at the stomach
What sphincter must open to permit vomiting?
The lower esophageal sphincter must open to allow for vomiting. This sphincter is located at the junction of the esophagus and stomach, and its relaxation allows the contents of the stomach to be expelled back up through the esophagus.
How do urethral sounds work?
A sound a a hollow tube used to maintain an open channel between the exterior of the body and some internal cavity. A urethral sound is therefore a pathway from the bladder end of the urethra to the external world allowing urine to pass out but often instruments to pass in.
What disorder causes the Pyloric Sphincter to not open to let food into the stomach?
Pyloric stenosis is a disorder that causes the pyloric sphincter to become abnormally thickened, resulting in a blockage that prevents food from passing into the stomach. This condition is more common in infants and typically requires surgical intervention to correct.
What sphincter must open to prevent vomiting?
ugly
What process does cardiac sphincter open involuntary?
Peristalsis.
During what process does the cardiac sphincter open involuntary?
Peristalsis.
What makes the pyloric sphincter open and close?
The pyloric sphincter opens in response to the presence of food in the stomach. This triggers a reflex that relaxes the sphincter, allowing food to pass into the small intestine. The sphincter closes to prevent the backflow of intestinal contents back into the stomach.
How does pyloric sphincter know when to open to let out a little chyme and then close?
The pyloric sphincter opens in response to food entering the stomach. Stretch receptors in the stomach wall detect the food volume, signaling the sphincter to open and allow a controlled amount of chyme to pass into the small intestine for further digestion. Once the chyme has passed through, the sphincter closes to prevent backflow.
What is a muscle that acts as bowels to open and close the openings are called what type of muscle?
sphincter
What sphincter controls the release of bile and pancreatic juice into the small intestine?
The sphincter of Oddi (hepatopancreatic sphincter), controls the release of pancreatic enzymes and bile into the duodenum. During digestion, intestinal phase signals stimulate the release of bile.
