foramen ovale

(redirected from Botallo foramen)
Also found in: Dictionary, Medical.

foramen ovale

[fə′rā·mən ō′vä·lē]
(anatomy)
An opening in the sphenoid for the passage of nerves and blood vessels.
(embryology)
An opening in the fetal heart partition between the two atria.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.