Agricultural Sciences (CAB)

... > LIFE SCIENCES > biology > biological structure and form > biological structure and form by entity > cells > cells by type > reproductive cells > germ cells > gametes > ova > helminth ova

... > LIFE SCIENCES > organisms > organisms, by non-taxonomic groups > organisms by morphological characteristics > helminths > helminth ova

... > LIFE SCIENCES > organisms > organisms, by non-taxonomic groups > developmental stages > animals by developmental stages > helminth ova