Oesophagus Flashcards
What is the oesophagus?
Muscular tube which passes from pharynx to stomach, passing thru diaphragm and into abdomen
What happens when food enters the oesophagus?
Involuntary action of smooth muscle pushes food towards the stomach
What is at the junction between oesophagus and stomach?
Lower oesophageal sphincter
Lower oesophageal sphincter
Increases tension produced by oesophageal wall = prevents reflux of stomachs contents into oesophagus
What is a hiatus hernia
Occurs when upper part of stomach squeezes through gap between oesophagus and diaphragm - 10% of pop experience it
Gastro-oesophageal reflux
Reflux due to hiatus hernia
How to avoid reflux?
Eating frequent small meals, reduce caffeine, alcohol and spicy meals, raise upper body slightly when sleeping