Conchal crest
Crista conchalis
Definition
Halfway up on the nasal surface of the maxillary bone (on the wall of the nasal cavity), the conchal crest (Crista conchalis) -formerly called the 'maxillary crest'- gives attachment to the ventral concha.
It separates two excavated surfaces: the ventral and middle meatus.
References
Anatomie comparée des mammifère domestiques - 5th edition - Robert Barone - Vigot