Hiatus Semilunaris. Hiatus semilunaris definition at Dictionarycom a free online dictionary with pronunciation synonyms and translation Look it up now!.
OverviewSinus drainageExternal linksThe semilunar hiatus or hiatus semilunaris is a crescentshaped groove in the lateral wall of the nasal cavity just inferior to the ethmoid bulla It is the location of the openings for maxillary sinus It is bounded inferiorly and anteriorly by the sharp concave margin of the uncinate process of the ethmoid bone superiorly by the ethmoid bulla and posteriorly by the middle nasal concha Text under.
Hiatus semilunaris Definition & Meaning Dictionary.com
Coronal image with (*) showing obstruction of the infundibulum and on left side involvement of the hiatus semilunaris Small arrows also demonstrate sinus disease of the anterior ethmoid air cells and larger arrows point to bilateral maxillary sinus mucosal thickening Pattern of sinus disease involves the anterior ostiomeatal unit Coronal image demonstrating more extensive.
Semilunar hiatus Wikipedia
The hiatus semilunaris is bounded inferiorly by the sharp concave margin of the uncinate process of the ethmoid bone and leads into a curved channel the infundibulum bounded above by the bulla ethmoidalis and below by the lateral surface of the uncinate process of the ethmoid The anterior ethmoidal cells open into the front part of the infundibulum and this in slightly over 50.
What drains into the Semilunar hiatus?
It opens out at the hiatus semilunaris within the middle meatus of the nasal cavity Sensation is supplied by the supraorbital nerve (a branch of the ophthalmic nerve) and arterial supply is via the anterior ethmoidal artery (a branch of the internal carotid) Sphenoid Sinuses The sphenoid sinuses are situated within the body of the sphenoid bone They open out into the.
Figure 1 From Study Of Frontal Air Sinus Opening In Hiatus Semilunaris Of Nasal Cavity Semantic Scholar
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hiatus [hia´tus] (L) an opening gap or cleft adj adj hia´tal aortic hiatus (hiatus aor´ticus) the opening in the diaphragm through which the aorta and thoracic duct pass esophageal hiatus (hiatus esophage´us) the opening in the diaphragm for the passage of the esophagus and the vagus nerves MillerKeane Encyclopedia and Dictionary of.