foramen

(redirected from foramen secundum)
Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.
Related to foramen secundum: foramen ovale, foramen primum, Septum secundum, interatrial foramen primum, Ostium primum of Born, primary interatrial foramen

foramen

a natural hole, esp one in a bone through which nerves and blood vessels pass

foramen

[fə′rā·mən]
(biology)
A small opening, orifice, pore, or perforation.