Q. The muscular ringed valve between oesophagus and stomach is known as
A. Pyloric sphincter
B. Lower oesophageal sphincter
C. Duodenal sphincter
D. Jejunal sphincter
Answer: Lower oesophageal sphincter
A. Pyloric sphincter
B. Lower oesophageal sphincter
C. Duodenal sphincter
D. Jejunal sphincter
Answer: Lower oesophageal sphincter