Is a protrusion of part of the stomach through the esophageal sphincter in the diaphragm?

Hiatal hernia is a protrusion of a portion of the stomach through the esophageal hiatus of the diaphragm.

Which condition is a protrusion of part of the stomach through the diaphragm?

Hiatal Hernia: A protrusion of part of the stomach above the diaphragm.

What is the sphincter between the esophagus and the stomach?

The lower esophageal sphincter (LES) is a bundle of muscles at the low end of the esophagus, where it meets the stomach. When the LES is closed, it prevents acid and stomach contents from traveling backwards from the stomach. The LES muscles are not under voluntary control.

What is the hole in the diaphragm through which the esophagus passes called?

Normally, the esophagus (or food tube) passes down through the chest, crosses the diaphragm, and enters the abdomen through a hole in the diaphragm called the esophageal hiatus. Just below the diaphragm, the esophagus joins the stomach.

What is the very top region of the stomach called that is closest to the esophagus?

The cardia is the first part of the stomach, which is connected to the esophagus. It contains the cardiac sphincter, which is a thin ring of muscle that helps to prevent stomach contents from going back up into the esophagus. The fundus is the top, rounded area that lies to the left of the cardia.

Where is the pyloric antrum located?

stomach

The pyloric antrum is the lower or distal portion above the duodenum. The opening between the stomach and the small intestine is the pylorus, and the very powerful sphincter, which regulates the passage of chyme into the duodenum, is called the pyloric sphincter.

Which term is the reflex ejection of the stomach contents outward through the mouth?

Vomiting can be defined as the ejection of part or all of the contents of the stomach and/or upper intestine through the mouth, usually in a series of involuntary spasmodic movements.

What is the sphincter between the stomach and small intestine?

The pyloric sphincter muscle is responsible for controlling how partially digested food, called chyme, moves from your stomach and into your intestines in a timely manner.

What is the sphincter at the top of the stomach?

The lower esophageal sphincter at the top of the stomach regulates food passing from the esophagus into the stomach, and prevents the contents of the stomach from reentering the esophagus. The pyloric sphincter at the bottom of the stomach governs the passage of food out of the stomach into the small intestine.

What is the sphincter at the top of the stomach called?

The top of your stomach connects to a valve called the esophageal sphincter (a muscle at the end of your esophagus). The bottom of your stomach connects to your small intestine.

What is antrum stomach?

Antrum: the lower portion (near the small intestine), where the food mixes with gastric juice. Pylorus: the last part of the stomach, which acts as a valve to control the emptying of the stomach contents into the small intestine.

Where is the sphincter?

A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body. Examples are the anal sphincter (around the opening of the anus) and the pyloric sphincter (at the lower opening of the stomach).

What are the 4 parts of the stomach?

The human stomach is subdivided into four regions: the fundus, an expanded area curving up above the cardiac opening (the opening from the stomach into the esophagus); the body, or intermediate region, the central and largest portion; the antrum, the lowermost, somewhat funnel-shaped portion of the stomach; and the …

What are the 3 parts of the stomach?

The stomach has three anatomical regions:

  • cardiac, which contains mucous secreting glands (called cardiac glands) and is closest to the oesophagus.
  • fundus, the body or largest part of the stomach which contain the gastric (fundic) glands.
  • pyloric, which secretes two types of mucus, and the hormone gastrin.


Where does the esophagus and stomach meet?

The lower part of the esophagus that connects to the stomach is called the gastroesophageal (GE) junction. A special ring of muscle near the GE junction, called the lower esophageal sphincter, controls the movement of food from the esophagus into the stomach.

What organ is in the middle of your stomach?

The pancreas is an organ located behind the stomach. It produces the hormones insulin and glucagon. It also produces chemicals called enzymes needed to digest food. Most of the time, the enzymes are active only after they reach the small intestine.

What organs are behind your belly button?

Periumbilical pain is a type of abdominal pain that is localized in the region around or behind your belly button. This part of your abdomen is referred to as the umbilical region. It contains parts of your stomach, small and large intestine, and your pancreas.

What organ is under belly button?

The appendix is a very common cause, as it begins in the belly button and travels into the lower right abdomen. Symptoms can also occur when the urinary tract becomes infected.

What organ is above the belly button?

Located directly behind the stomach, the pancreas lies deep in the center of the abdomen. Its position corresponds to an area 3-6 inches above the “belly button”, straight back on the back wall of the abdominal cavity. In fact, the bones of the spine are just a few inches behind the pancreas.

What causes swelling above the belly button?

An umbilical hernia creates a soft swelling or bulge near the navel. It occurs when part of the intestine protrudes through the umbilical opening in the abdominal muscles. Umbilical hernias in children are usually painless.

What causes pain in upper stomach under ribs?

A variety of gastrointestinal issues, such as indigestion, gastritis, and peptic ulcers, can cause RUQ pain. Typically, the pain caused by these conditions is a dull, burning type of pain. Other symptoms can include: a feeling of uncomfortable fullness.

What causes pain in stomach above belly button?

Appendicitis is an infection of the appendix. Without treatment, it can cause the appendix to rupture, and the condition can become life-threatening. In the early stages of appendicitis, a person may notice a dull ache around their belly button, but this pain can radiate to the upper stomach.

When the upper part of your stomach hurts?

Pancreatitis. Abdominal pain caused by pancreatitis, which is inflammation in the pancreas, is a severe and sharp pain occurring in the upper middle of the abdomen that can sometimes radiate to your back or chest. You may also experience other symptoms such as nausea, vomiting and fever.

What organ is below the rib cage in the middle?

Your spleen is an organ that sits just below your left rib cage. Many conditions — including infections, liver disease and some cancers — can cause an enlarged spleen.

What does it mean when your upper stomach and back hurts?

Pancreatitis. Pancreatitis, or inflammation of the pancreas, can cause upper abdominal pain in addition to back pain, along with vomiting or nausea. Both forms of pain tend to be reduced when you lean forward and to become worse when irritated, especially by sharp movements like coughing.

What part of back hurts with pancreatitis?

A common symptom of pancreatic cancer is a dull pain in the upper abdomen (belly) and/or middle or upper back that comes and goes. This is probably caused by a tumor that has formed in the body or tail of the pancreas because it can press on the spine.

What are the warning signs of pancreatitis?

Acute pancreatitis signs and symptoms include:

  • Upper abdominal pain.
  • Abdominal pain that radiates to your back.
  • Tenderness when touching the abdomen.
  • Fever.
  • Rapid pulse.
  • Nausea.
  • Vomiting.