Plural of foramina (holes or openings); small passages in bones, particularly those transmitting nerves or blood vessels.
Latin plural of foramen (hole). 'Foramina' is the standard anatomical term; 'foraramina' appears to be a variant spelling used in older medical texts.
The foramen magnum is the largest opening in your skull where your spinal cord passes through—ancient anthropologists could identify different species just by measuring the size of this one hole!
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