Answer: Not a parasite. Most closely resembles pollen.
I included this case since the object in some of the photos resembles a helminth egg (Toxocara canis or Capillaria spp. comes to mind). The key to recognizing that this is not an egg is in the last photograph which clearly shows the pores in the thick outer layer and triangular shape of the inner structures. There are no human parasites that have eggs in this configuration.
Saturday, May 8, 2010
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