A vascular omphalopleure that is important for respiration. [ https://orcid.org/0000-0003-3308-6245 http://www.ncbi.nlm.nih.gov/pubmed/10761048 https://github.com/obophenotype/uberon/issues/1426 http://www.ncbi.nlm.nih.gov/pubmed/29416852 ]
Synonyms: vascular TOM vascular trilaminar omphalopleure choriovitelline membrane