VL(left)ms

Cell lineage of regularly developing sea urchin embryo: VL(left)ms

Cell name	VL(left)ms
Cleavage number	5
Number of cells after cleavage	32
Cleavage direction (with respect to the A/V axis)	horizontal
Mother cell	VL(left)m
Sister cell	VL(left)mk
Progeny
Tier
Prospective territory	Small micromeres (lineage founder cell)