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Results 1 - 3 of 3 for Narrow mouth
  1. The esophagus is a narrow, muscular tube that leads from the mouth to the stomach. The esophagus carries food from the mouth to the stomach. A sphincter at the junction of the ...
  2. ... it to mold to the shape of this narrow passage. Your baby's head "crowns" when the widest part of it is at the vaginal opening.
  3. ... The pylorus of the stomach is a small, narrow muscular sphincter through which food passes into the ... which the opening of the pylorus is too narrow. Food is thus unable to pass into the ...