in these plants the male sexual cells lose their cell-body in the pollen-tube and the nucleus only-- the sperm-nucleus--reaches the egg.
(the male sexual cells; lose; their cell-body; L:in the pollen-tube; L:in these plants) (the nucleus only; reaches; the egg)
the male sexual cells the nucleus only
lose reaches
their cell-body L:in the pollen-tube L:in these plants
the egg