Semilunar_hiatus

Semilunar hiatus

Semilunar hiatus

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The semilunar hiatus (eg, hiatus semilunaris) is a crescent-shaped[citation needed]/semicircular/[1] curved[2] slit[2]/groove[1] upon the lateral wall of the nasal cavity[3] at the middle nasal meatus just inferior to the ethmoidal bulla.[2] It is the location of the openings for the frontal sinus, maxillary sinus, and anterior ethmoidal sinus. It is bounded inferiorly and anteriorly by the sharp concave margin of the uncinate process of the ethmoid bone, superiorly by the ethmoidal bulla, and posteriorly by the ethmoidal process of the inferior nasal concha.[4] It leads into the ethmoidal infundibulum;[5] it marks the medial limit of the ethmoidal infundibulum.[3]

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References

  1. [1]
    Moore, Keith L.; Dalley, Arthur F.; Agur, Anne M. R. (2017). Essential Clinical Anatomy (6th ed.). Lippincott Williams & Wilkins. pp. 966–967. ISBN 978-1496347213.
  2. [2]
    Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). Elsevier Australia. p. 374. ISBN 978-0-7295-3752-0.
  3. [3]
    Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. p. 690. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link)
  4. [4]
    "Bony semilunar hiatus - e-Anatomy - IMAIOS". www.imaios.com. Retrieved 2023-11-13.
  5. [5]
    Gray, Henry (1918). Gray's Anatomy (20th ed.). p. 995.
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