Maxillary hiatus

Maxillary hiatus
Medial wall of left orbit.
Left maxilla. Nasal surface.
Details
Identifiers
Latin	hiatus maxillaris
Dorlands /Elsevier	h_11/12422030
TA	A02.1.12.021
FMA	57758
*Anatomical terminology* [edit on Wikidata]

Below the bulla ethmoidalis, and partly hidden by the inferior end of the uncinate process of ethmoid bone, is the maxillary hiatus (or ostium maxillare, or maxillary sinus ostium, or maxillary ostium, or opening from the maxillary sinus); in a frontal section this opening is seen to be placed near the roof of the sinus.

Additional images

Ethmoid bone

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

CT scan (as "maxillary sinus ostium")

Anatomy of the human nose

External nose

Nasal cavity

Openings	Nasal vestibule Nostril Posterior nasal apertures

Lateral wall	Nasal conchae: Supreme nasal concha Superior nasal concha Middle nasal concha Inferior nasal concha Nasal meatus: (Supreme superior middle inferior) Sphenoethmoidal recess Ethmoid bulla Agger nasi Ethmoidal infundibulum Semilunar hiatus Maxillary hiatus

Medial wall	Nasal septum Vomeronasal organ

Mucous membrane	Olfactory mucosa

Paranasal sinuses

Naso-pharynx

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