Term Name: pro-B cell
Synonyms: pro-B lymphocyte, pro-B-cell, pro-B-lymphocyte, progenitor B cell
Definition: A progenitor cell of the B cell lineage, with some lineage specific activity such as early stages of recombination of B cell receptor genes, but not yet fully committed to the B cell lineage until the expression of PAX5 occurs.
Appears at: Unknown
Evident until: Adult (90d-730d, breeding adult)
Ontology: Anatomy Ontology [ZFA:0009349]

Relationships
develops from: common lymphoid progenitor
develops into: B cell immature B cell precursor B cell
is a type of: lymphoid progenitor cell

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