Charcot leyden crystals in stool are seen in:
Bacillary dysentery
Amoebic dysentery
Giardiasis
Cholera
Ans. is 'b' i.e., Amoebic dysentery(Ref: Harrison, 18th/e, 1685)Charcot-Leyden crystals are slender and pointed at both ends, consisting of a pair of hexagonal pyramids joined at their bases. They consist of lysophospholipase (galectin 10), an enzyme synthesized by eosinophils, and are produced from the breakdown of these cells.
Parasitology