rheumatoid arthritis can cause inflammation in the muscles of the heart and can do the the same in the lining of the lungs leading to pleurisy. The symptoms of rheumatoid Arthritis crop up in several places in the body at at the same time.
Not hat is known of at present.
outer anal sphincter
What is the function of the cardiac sphincter?
cricopharyngeal sphincter
ileocecal sphincter (valve)
cardiac sphincter; or gastroesophageal sphincter; or lower esophageal sphincter (LES); or esophageal sphincter from http://en.wikipedia.org/wiki/Cardia
The pyloric sphincter regulates passage of chymefrom the stomach
Sphincter of Oddi.
cardiac sphincter/lower esophageal sphincter (LES)
Not that sphincter but yes they do have one of their own.
What is the function of the cardiac sphincter?
the sphincter that separates the stomach from the small intestine is the pyloric sphincter