Why gastero oesophageal sphincter is also known as cardic sphincter even though it has to do nothing with heart?

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Solution

The lower sphincter, or cardiac sphincter, at the upper portion( cardia) of the stomach. This sphincter prevents the acidic contents of the stomach from moving upward into the oesophagous.

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Gastro-oesophageal sphincter is present between:

Upper oesophageal sphincter is made up of___ and lower oesophageal sphincter of ___.

Cardiac sphincter is in the heart. Yes or no? Give reason.

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