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.
Noun. 1. foramen magnum-the large opening at the base of the cranium through which the spinal cord passes. braincase, brainpan, cranium-the part of the skull that encloses the brain. foramen, hiatus-a natural opening or perforation through a bone or a membranous structure.1  Facebook.he large orifice in the base of the skull through which the spinal cord passes to the cranial cavity and becomes continuous with the medulla oblongata.