has characteristic abnormal cell neoplastic cell 2017-01-30T19:16:26Z https://github.com/obophenotype/cell-ontology/issues/448 https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&code=C12922 tumour cell tumor cell An abnormal cell exhibiting dysregulation of cell proliferation or programmed cell death and capable of forming a neoplasm, an aggregate of cells in the form of a tumor mass or an excess number of abnormal cells (liquid tumor) within an organism. neoplastic