Pyrosis is also known as Heartburn.
Pyrosis / Heartburn is usually caused by re-gurgitation of contents of the stomach into the oesophagus, or by oesophagitis, which is the medical term for inflammation of the oesophagus.
Pyrosis / Heartburn may be described as discomfort or pain, usually "burning" pain, that is felt behind the sternum (breastbone) and often seems to rise from the abdomen towards or into the throat. This pain may be accompanied by the sensation of of acid or bitter fluid in the mouth.
More about the Digestive System:
This section includes pages about:
- Introduction to the Digestive System
- Terminology about Digestion
- Passage through the alimentary tract
- Component Parts of the Digestive System, incl. Teeth, Stomach, Liver, Small Intestine, Large Intestine
- Chemical Processes in the Digestive System (introductory level)
- Diseases and Disorders of the Digestive System
For further information see also our pages of books about gastroenterology.
- The digestive system (introduction)
- Digestive System Terminology
- Main Stages of the Digestive Process
- Transit through the Alimentary Canal
- Absorption Sites
- Structures of the mouth
- Teeth - as part of the digestive system
- Small Intestine
- Large Intestine
- Digestive System Diseases & Disorders