Safety pin appearance is shown by-a) Hemophilus ducreyib) Chlamydiac) Donovani granulomatisd) Mycoplasma
High-Yield Explanation
Bipolar staining (safety pin appearance)
Some bacteria display a safety pin appearance due to the accumulation of dye at the poles of the cells.
This characteristic is called bipolar staining.
Bacteria showing bipolar staining are-
Calymmatobacter granulomatis (Donovani granulomatis)
Pseudomonas mallei
Pseudomonas pseudomallei
Vibrio parahemolyticus
Yersinia pestis
H.ducreyi