Sphenoidal yoke
Jugum sphenoidale
Definition
The sphenoidal yoke (Jugum sphenoidale) is overcoming the chiasmatic sulcus, dorsally to which it forms a projecting border.
It shows two lateral depressions separated by a median crest: the sphenoidal crest (Crista sphenoidalis) that the beginning of the crista galli of the ethmoid bone extends rostrally.
References
Anatomie comparée des mammifère domestiques - 5th edition - Robert Barone - Vigot
