NL(right)

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

Cell name	NL(right)
Cleavage number	3
Number of cells after cleavage	8
Cleavage direction (with respect to the A/V axis)	horizontal
Mother cell	L(right)
Sister cell	VL(right)
Progeny	NL(right)1, NL(right)2
Tier
Prospective territory