1 Parents
| Definition | Name | Synonym | Primary Identifier |
|---|---|---|---|
| The first (count from anterior-most) of twelve postembryonic blast cells for ventral cord motorneurons, ventral hypodermis, vulva, male preanal ganglion; ventral hypodermis in L1. | P1 | P1 post-embryonic blast cell | WBbt:0006770 |



