Assertion: maternal antibody | /r/HasProperty | transferred to the foetus
Facets:
value: through the placenta
type: MANNER
Source sentences:
text: Passive immunity can occur naturally, when maternal antibodies are transferred to the foetus through the placenta, and can also be induced artificially, when high levels of human (or horse) antibodies specific for a pathogen or toxin are transferred to non-immune individuals.