Definition of foramen in English:



  • An opening, hole, or passage, especially in a bone.

    • ‘When multiple openings were present for a foramen, all the openings were measured and used in the calculation of the average size.’
    • ‘Olfactory nerve fibers enter the cranial cavity through foramina in the cribriform plate of the ethmoid bone and synapse on neurons in the olfactory bulb.’
    • ‘The premaxilla is the segment of bone from the back of the teeth to the incisor foramen from which the anterior palatal vessels and nerves emerge.’
    • ‘Such presentations could result from a primary injury to the brain stem, induced by hyperflexion and hyperextension, or, rarely, from traumatic thrombosis of the vertebral arteries in the foramina of the cervical vertebrae.’
    • ‘Structures adjacent to the nasopharynx, such as nerves and vessels, facilitate the infiltration of nasopharyngeal cancer through foramina and fissures, from extracranial to intracranial spaces.’
    hole, gap, aperture, space, orifice, vent, slot, window, crack, slit, gash, split, fissure, perforation, cleft, crevice, cut, incision, rent, cavity, cranny, groove, chink, eye, mouth
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Late 17th century: from Latin, from forare ‘bore a hole’.