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  • noun

Synonyms for foramen

a natural opening or perforation through a bone or a membranous structure

References in periodicals archive ?
The mass extended along the path of the maxillary branch of the trigeminal nerve into the middle cranial fossa through the left foramen rotundum (figure 2), which was enlarged and had increased in size since 3 weeks earlier.
We also noted a small area of irregularity near the left foramen rotundum that we originally did not suspect was a skull base defect.
Garcia (3) reported one case and Leblanc et al (4) reported three in which a bony defect in the base of the greater wing of the sphenoid bone near the foramen rotundum allowed a meningoencephalocele to protrude into the pterygopalatine fossa.
Leblanc et al hypothesized that a failure in ossification occurs at the base of the greater wing of the sphenoid bone in the region of the foramen rotundum and pterygoid process.
PT The intersection point of the inferior border of the foramen rotundum and the posterior wall of the pterygomaxillary fissure (figures 1, 3, 4).