Studies on photoreactivation in gametes and zygotes of the sand dollar, Echinarachnius parma.
D000818:Animals; D002455:Cell Division; D004447:Echinodermata / Q000502:physiology*; D005854:Germ Cells / Q000502:physiology*; D008027:Light; D012617:Sea Urchins; D015053:Zygote
CELL DIVISION; ECHINODERMATA/physiology; GERM CELLS/physiology; LIGHT