Cellular mechanisms in the morphogenesis of the sea urchin larva. The formation of arms.
D000818:Animals; D004622:Embryo, Mammalian / Q000033:anatomy & histology*; D004625:Embryo, Nonmammalian / Q000033:anatomy & histology*; D007814:Larva; D009024:Morphogenesis; D018232:Rhabdomyosarcoma, Alveolar; D012617:Sea Urchins
EMBRYO/anatomy and histology