Bacteria with amphitricous flagella have flagellum or flagella at either end of the cell. The flagella may be tufts at the end of the cell.

University of Wisconsin - Madison

The arrangement of the flagella is organized into four types:
- Monotrichous 
- Lophotrichous
- Amphitrichous 
- Peritrichous 

Arrangement of Flagella

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Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

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OpenStax Microbiology Textbook

Cells with lophotrichous flagella have tufts of flagella at one end.

Lophotrichous Flagella

Cells with peritrichous flagella have flagella that cover the whole cell. 

Peritrichous

Amphitrichous Flagella

Bacteria with a monotrichous flagellum have a singular flagellum that is usually found on of the ends of the cell.

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