Term: blood pro-T cell
Name: blood
Synonyms:
Definition: A complex mixture of cells suspended in a liquid matrix that delivers nutrients to cells and removes wastes.
Ontology: Anatomy Ontology [ZFA:0000007]

Name: pro-T cell
Synonyms: DN1 cell, DN1 thymocyte, pro-T lymphocyte, TN1 cell
Definition: A progenitor cell of the T cell lineage, with some lineage specific marker expression, but not yet fully committed to the T cell lineage.
Ontology: Anatomy Ontology [ZFA:0009350]