PG NEXT Question of the Day 13-11-2016

Identify the organism on the basis of the morphology of egg shown below

a. Ascaris
b. Enterobius
c. Echinococcus
d. Trichuris 

Ans: B. Enterobius

(Ref: K.D Chatterjee 13th edition, p227)

Egg of Enterobius vermicularis:
Colourless- non bile stained
Asymmetrical shaped- flattened on one side and convex on the other side: Plano-convex/ D-shaped
Surrounded by a transparent shell
Contains a coiled tadpole like larva
Floats in saturated solution of common salt

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