Valve of foramen ovale

valve of foramen ovale

A fold projecting into the left atrium from the margin of the foramen ovale in the foetus; when, with beginning inspiration, the blood pressure within the left atrium increases, the valve closes and its edges become adherent to the margin of the foramen ovale, occluding it.

Synonym: valvula foraminis ovalis, falx septi, valve of oval foramen.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Valve_of_foramen_ovale&oldid=24548"
First | Previous (Valve of coronary sinus) | Next (Valveless) | Last
Please contribute to this project, if you have more information about this term feel free to edit this page.