Assertion: skull's bone | /r/HasProperty | membranous
Facets:
value: purely
type: DEGREE
Source sentences:
text: Thus frontal and parietal bones are purely membranous.
text: The bones of the neurocranium develop as two different portions: the membranous part forming the flat bones and the cartilaginous part forming the bones of the base of the skull.
text: As already mentioned, the bones of the cranial vault are purely membranous.
text: Thus frontal and parietal bones are purely membranous.