The effect of X-rays on chromosomes and nucleoli in ovarian eggs of the salamander, Triturus pyrrhogaster.
D000818:Animals; D002875:Chromosomes; D006801:Humans; D010063:Ovum; D014319:Triturus; D014562:Caudata; D014965:X-Rays
CHROMOSOME/changed by x-rays; CHROMOSOME/number, of Triturus; EGG/nucleoli, changed by x-rays; X-RAYS/effect on chromosomes