| Lineage name | Z2 | 
| Functional name | Z2 | 
| Cell track | P2→P3→P4→Z2 | 
| Tissue | Germline precursor | 
| Subtype | Germline precursor | 
Expression level:
Embryonic expression
| Cell Name | Expressed miRNAs | 
|---|---|
| P2 | miR-244, miR-252, miR-52, miR-53, miR-61-250, miR-72, miR-73-74, miR-90 | 
| P3 | miR-244, miR-252, miR-52, miR-53, miR-61-250, miR-72, miR-73-74, miR-90 | 
| P4 | miR-244, miR-252, miR-51, miR-52, miR-53, miR-61-250, miR-72, miR-73-74, miR-90 | 
| Z2 | miR-252, miR-52, miR-53, miR-61-250, miR-72, miR-73-74, miR-90 | 
L1 expression
| Cell Name | Expressed miRNAs | 
|---|---|
| Z2 | miR-61-250, miR-72, miR-73-74 |