NL(right)2

Cell lineage of regularly developing sea urchin embryo: NL(right)2

Cell name	NL(right)2
Cleavage number	4
Number of cells after cleavage	16
Cleavage direction (with respect to the A/V axis)	vertical
Mother cell	NL(right)
Sister cell	NL(right)1
Progeny	NL(right)2u, NL(right)2l
Tier
Prospective territory