âââââââââââââââââââââââââââââââââââââââââââââââââ. There are many big countries in the world and one of the USA, they are 2nd with worlds largest Army ranking, they have some top fighting men powers and forces. Recently they interfered in the countries like Afghanistan, Iraq, Vietnam to use their troops power.
Medical Definition of FORAMEN. : a small opening, perforation, or orifice: fenestra 1.â foÂ·ramÂ·iÂ·nal \fÉ-Ëram-Én-Él\ adjective.edical Definition of FORAMEN. : a small opening, perforation, or orifice: fenestra 1. â foÂ·ramÂ·iÂ·nal \fÉ-Ëram-Én-Él\ adjective.
A patent foramen ovale (PFO) is a defect in the septum (wall) between the two upper (atrial) chambers of the heart. Specifically, the defect is an incomplete closure of the at â¦ rial septum that results in the creation of a flap or a valve-like opening in the atrial septal wall (see illustration).