4b73950a_all_the_bones__notes
[feature] hiatus semilunaris [bone] ethmoid [description] groove in the ethmoid portion of the lateral nasal wall between the uncinate process below and bulla ethmoidalis above [notes] 
receives the frontonasal duct anterosuperiorly; opening of the maxillary sinus posteroinferiorly; and the openings of the anterior ethmoidal air cells in between
all the bones
notes