incisive fossa(redirected from fossa incisiva)
Also found in: Medical.
incisive fossa[in′sī·siv ′fäs·ə]
A bony pit behind the upper incisors into which the incisive canals open.
A depression on the maxilla at the origin of the depressor muscle of the nose.
A depression of the mandible at the origin of the mentalis muscle.