semilunar hiatus


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Related to semilunar hiatus: incisive canal, Ethmoidal bulla, Ethmoidal infundibulum

sem·i·lu·nar hi·a·tus

[TA]
a deep, narrow groove in the lateral wall of the middle meatus of the nasal cavity, into which the maxillary sinus, the frontonasal duct, and the middle ethmoid cells open.

semilunar hiatus

the deep semilunar groove anterior and inferior to the bulla of the ethmoid bone. The anterior ethmoidal cells, the maxillary sinus, and sometimes the frontonasal duct drain through it via the ethmoid infundibulum.

sem·i·lu·nar hi·a·tus

(sem'ē-lū'năr hī-ā'tŭs) [TA]
A deep, narrow groove in the lateral wall of the middle meatus of the nasal cavity, into which the maxillary sinus, the frontonasal duct, and the middle ethmoid cells open.

sem·i·lu·nar hi·a·tus

(sem'ē-lū'năr hī-ā'tŭs) [TA]
Deep, narrow groove in lateral wall of middle meatus of nasal cavity, into which maxillary sinus, frontonasal duct, and middle ethmoid cells open.
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