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either of two foramina formed in the medial wall of the orbit by grooves on either edge of the ethmoidal notch of the frontal bone, and completed by similar grooves on the ethmoid bone: anterior ethmoidal foramen, located in an anterior position; posterior ethmoidal foramen located in a posterior position.
Synonym(s): foramen ethmoidale (anterior et posterior) [TA]
A space in the suture between the frontal and ethmoid bones in the medial wall of the orbit of the skull through which the ethmoidal nerve and artery pass.Synonym: anterior ethmoid foramen, anterior ethmoidal foramen, ethmoidal foramen
See also: foramen
eth·moi·dal for·a·men(eth-moydăl fōr-āmĕn) [TA]
Either of two foramina formed in the medial wall of the orbit by grooves on either edge of ethmoidal notch of frontal bone, and completed by similar grooves on ethmoid bone.
pertaining to the ethmoid bone.
enzootic ethmoidal tumor
see enzootic ethmoidal tumor.
carries the ethmoidal nerve as it re-enters the cranial cavity.
see progressive nasal hematoma.