NL(right)2u

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

Cell name	NL(right)2u
Cleavage number	5
Number of cells after cleavage	32
Cleavage direction (with respect to the A/V axis)	horizontal
Mother cell	NL(right)2
Sister cell	NL(right)2l
Progeny	NL(right)2uu, NL(right)2ul
Tier	an1
Prospective territory