Stain for treponema –
Correct Answer: Fontana's
Description: Option 1 Microscopy: Silver impregnation method: (i) Levaditi stain (for tissue section): corkscrew shaped Treponema pallidum (ii)Fontana stain(smear)- showing the spiral morphology Option 2 Acid-fast stain is used for stain acid fast organism (Mycobacterium) or structures (Endospore). Option 3 Gomori Methenamine-Silver (GMS) stain: for fungal organisms. Option 4 Periodic Acid-Schiff (PAS) is a staining method used to detect polysaccharides such as glycogen, and mucosubstances such as glycoproteins, glycolipids and mucins in tissues.
Category:
Microbiology
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