What Does Mycoplasma Genitalium Look Like?

Mycoplasma genitalium cannot be seen with the naked eye as it is one of the smallest known bacteria. This microscopic pathogen measures only 0.1-0.3 micrometers in diameter, making it roughly 10 times smaller than typical bacteria like E. coli. Under electron microscopy, M. genitalium appears as tiny, pleomorphic (variable-shaped) organisms that lack a rigid cell wall, giving them a flexible, balloon-like appearance. The bacteria typically appear spherical or flask-shaped with a distinctive tapered end that helps them attach to host cells. Because of their extremely small size and lack of pigmentation, M. genitalium infections cannot be diagnosed through visual examination and require specialized laboratory testing such as PCR or nucleic acid amplification tests.

Related Questions

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