Incisive has meant "impressively direct and decisive" since around 1834 and derives from the Latin verb caedere, meaning "to cut." Its linguistic kin include many cuttings from the fruitful stem caedere, such as scissors, chisel, incise ("to cut into or engrave"), excise ("to remove by cutting"), incisor ("a front ...
How many Foramens are incisive?
Nasal Cavity
The incisive foramen (shown as two foramina by Hebel and Stromberg (1976) lies in the midline of the hard palate, between the left and right premaxillae and just behind the upper incisor teeth. The foramen leads to a short canal that connects the nasal and oral cavities.
What forms the incisive foramen?
the nasopalatine nerves from the floor of the nasal cavity. the sopalatine branches of the infratrochlear nerve, a branch of the ophthalmic nerve (V1), itself a branch of the trigeminal nerve. the sphenopalatine artery supplying the mucous membrane covering the hard palate of the mouth.