L(right)

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

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