Oblique fold
Plica obliqua
Definition
The oblique fold is specific to carnivores. It is located in the nasal vestibule and corresponds to the rostral end of the straight fold. It is oriented in the direction of the alar fold.
References
Barone R, Anatomie comparée des mammifères domestiques, Tome 3, Splanchnologie I, 4th edition, Vigot, 2017