Answer to Case 413

Answer:Giardia duodenalis,akaG. lamblia, G. intestinalisThis uncommon preparation of a common parasite nicely demonstrates how the morphologic features remain apparent despite the unfamiliar stain. As you can see from the images,Giardiatrophozoites are mostly Gram negative, with visible nuclei and flagella.
Source: Creepy Dreadful Wonderful Parasites - Category: Parasitology Source Type: blogs