Taxonomy: s.f. Ancylostomatoidea
Animal: Necator americanus 23.jpg
Necator americanus adult worm - anterior end has 2 pairs of cutting plates compared with A. duodenale which has 2 pairs of ventral teeth and a pair of accessory teeth.. The adult N. americanis tend to be smaller than A. duodenale adults. Fix nematodes in 10 percent formalin. To examine: small nematodes can be mounted in glycerine or glycerine jelly ringed with nail polish or chlorlactophenol or dehydrated, cleared and mounted as permanent preparations.
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