Palfyn sinus

Pal·fyn si·nus

(pal'fin),
a space within the crista galli of the ethmoid said to communicate with the ethmoidal and frontal sinuses.

Palfyn,

Jean, Belgian surgeon and anatomist, 1650-1730.
Palfyn sinus - a space within the crista galli of the ethmoid communicating with the ethmoidal and frontal sinuses.
Palfyn suture