E1C3T1O1D2E1R1M3S1
14 points
ECTODERMS is validvalid
ECTODERM, the outermost germ layer of an embryo
ECTODERM, the external layer of an embryo, also EXODERM
ECTODERM, the outermost germ layer of an embryo
ECTODERM, the external layer of an embryo, also EXODERM