noun (plural foramina /-ˈramənə/)Anatomy
An opening, hole, or passage, especially in a bone.
- 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.
- 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.
Late 17th century: from Latin, from forare 'bore a hole'.
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