Term: pericardium nucleate erythrocyte
Name: pericardium
Synonyms: pericardial sac
Definition: Serous membrane that surrounds the heart.
Ontology: Anatomy Ontology [ZFA:0000054]

Name: nucleate erythrocyte
Synonyms: RBC, red blood cell
Definition: An erythrocyte having a nucleus.
Ontology: Anatomy Ontology [ZFA:0009256]