Assertion: foramen magnum | /r/HasProperty | characterized
Facets:
value: often
type: TEMPORAL
value: as being heart-shaped
type: OTHER
Source sentences:
text: The foramen magnum (the hole in the base of the skull through which the brain stem passes) is short and is often characterized as being heart-shaped, as opposed to the longer and more oval- or circular-shaped foramen magnum found in P. robustus.