• The section of the digestive tract that extends from the mouth and nasal cavities to the larynx, where it becomes continuous with the esophagus.
  • A museulo-membranous pouch situated at the back of the nasal cavities, mouth, and larynx, and extending from the base of the skull to the cricoid cartilage.
  • In invertebrates, some tubular or infundibuliform beginning of the alimentary canal or continuation of the oral aperture
  • The part of the alimentary canal between the cavity of the mouth and the esophagus. It has one or two external openings through the nose in the higher vertebrates, and lateral branchial openings in fishes and some amphibias.
  • The part of the <xref>alimentary canal</xref> that extends from the <xref>mouth</xref> and <xref>nasal</xref> <xref>cavities</xref> to the <xref>larynx</xref>, where it becomes <xref>continuous</xref> with the <xref>esophagus</xref>.
  • the passage to the stomach and lungs; in the front part of the neck below the chin and above the collarbone
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