Microbes called bacteria are complicated and incredibly changeable. There are four primary shapes as follows spiral in spirochete, arc, rod-shaped in bacilli, and spherical in cocci.
Bacteria can be classified as having three fundamental shapes: spiral, bacillus, and coccus. The coccus shape can take the form of diplococcus, streptococcus, tetrad, sarcina, or staphylococcus, depending on the planes of division. Bacteria come in a wide variety of sizes and shapes; some are corkscrew-shaped, while others are as straight as a rod. The way that bacteria enter and destroy bodily cells is significantly influenced by their shape. It may be easier for Helicobacter pylori, a type of bacteria that can lead to ulcers, to penetrate tissues because of its helical structure.
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