Conceptually similarSCIENCE PHOTO LIBRARYParasitic roundworms, SEMSS21321548Rights ManagedSPLHealthy and crenated red blood cells, SEMSS2555378SQ6952Rights ManagedSPLHealthy and crenated red blood cells, SEMSS2546872SQ6940Rights ManagedSPLThreadworms in the gut, SEMSS2674798ST4612Rights ManagedSPLThreadworms in the gut, SEMSS2674799ST4613Rights ManagedSPLThreadworms in the gut, SEMSS2676388ST6190Rights ManagedSPLThreadworms in the gut, SEMSS2676389ST6191Rights ManagedSPLThreadworms in the gut, SEMSS2676390ST6192Rights ManagedSPLC. elegans worm, SEMSS2764553SV5057Rights ManagedView AllView more with similar tones Parasitic roundworms, SEMLicense type:Rights ManagedUnique identifier:SS21321540Description:Parasitic roundworms. 1960s coloured scanning electron micrograph (SEM) of male (small) and female (large) parasitic nematodes (roundworms), showing the distinct size difference between the two sexes.Credit:AMI IMAGES / Science SourceSize:3669px × 2457px (~25 MB)Restrictions:No Sale through SubagentsGet PricingHow Will The Visual Be Used?ShareKeywords:1960-1960s-2-20th century-animal-animals-biology-blue background-C023/4080-C0234080-colored-coloured-compare-cut out-cut outs-cutout-cut-out-cutouts-cut-outs-double-false-colored-female-history-history of science-invertebrate-invertebrates-male-micrograph-microscope-nature-nematode-nematodes-nobody-no-one-parasite-parasitism-roundworm-roundworms-sem-size-sizes-two-zoologyModel release:N/AParent folder:RM Science Group 1