| 21. | Embryos develop in a oesophagus and develops only after the snail has reached maturity.
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| 22. | The highest is the pyloric sphincter cardiac sphincter where the oesophagus enters the stomach.
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| 23. | Crichton underwent 30 operations and eventually had his voice-box and oesophagus removed.
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| 24. | The mouth descends into a short oesophagus.
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| 25. | The labium forms a proboscis which is used to channel liquid food to the oesophagus.
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| 26. | For example, although they reduce the incidence of esophageal adenocarcinoma in Barrett's oesophagus,
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| 27. | The mouth, oesophagus, stomach, and intestines are part of the human alimentary canal.
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| 28. | The brain is relatively large, and, as in many arthropods, surrounds the oesophagus.
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| 29. | In autumn 2005, a cancerous tumour was discovered in his oesophagus but he refused treatment.
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| 30. | Beneath the oesophagus, at the forward part of the foot, lie the pedal ganglia.
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