ethmoidal groove

eth·moi·dal groove

[TA]
a groove on the inner surface of each nasal bone, lodging the external nasal branch of the anterior ethmoid nerve.
Synonym(s): sulcus ethmoidalis [TA]

eth·moi·dal groove

(eth-moydăl grūv) [TA]
Groove on inner surface of each nasal bone, lodging external nasal branch of anterior ethmoid nerve.