: the opening in the skull through which the spinal cord passes to become the medulla oblongata
Examples of foramen magnum in a Sentence
Recent Examples on the WebFor example, the location of the foramen magnum, the opening in the skull for the spinal cord, reveals whether its possessor orients horizontally or vertically.
David P. Barash, WSJ, 16 June 2021 Though the fossil exhibited apelike features, the position of the foramen magnum, or the opening that allows the spinal cord and brain to meet, convinced Dart that the child had walked upright like a human.
Smithsonian, 27 Mar. 2017
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