• Region of the body in the respiratory system between the nose and the pharynx at the level of the soft palate, including the nasopharynx, which is nasal part of the pharynx above the level of the soft palate.
  CRISP Thesaurus
  National Institutes of Health, 2006
• The part of the pharynx above the soft palate, which is continuous with the nasal cavity and extends to the oropharynx.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• The part of the pharynx in the back of the throat, at and above the soft palate. The nasopharynx is continuous with the nasal passages.
  NCI
  U.S. National Cancer Institute, 2021
• The top portion of the pharynx situated posterior to the nose and superior to the SOFT PALATE. The nasopharynx is the posterior extension of the nasal cavities and has a respiratory function.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• The upper part of the throat behind the nose. An opening on each side of the nasopharynx leads into the ear.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021