The prothymocyte and commitment to T-cell differentiation.
D000818:Animals; D002454:Cell Differentiation; D002465:Cell Movement; D005796:Genes; D006801:Humans; D011948:Receptors, Antigen, T-Cell / Q000502:physiology*; D013601:T-Lymphocytes / Q000166:cytology* / Q000502:physiology; D013950:Thymus Gland / Q000166:cytology
D011948:Receptors, Antigen, T-Cell