Foramen ovale

There are multiple structures in the human body with the name foramen ovale (plural: foramina ovalia; Latin for "oval hole"):

Foramen ovale (heart), in the fetal heart, a shunt from the right atrium to left atrium
Foramen ovale (skull), at the base of the skull, one of the holes that transmit nerves through the skull
Patent foramen ovale, a small channel in the heart, a remnant of the fetal foramen ovale

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