Assertion: periosteum's structure | /r/CapableOf | protect the embryo
Facets:
Source sentences:
text: Any of the membranous structures that protect and support the embryo and provide its nutrition, respiration, and excretion.
text: Any of the membranous structures that protect and support the embryo and provide its nutrition, respiration, and excretion.
text: Any of the membranous structures that protect and support the embryo and provide its nutrition, respiration, and excretion.