Common symptoms include: 1  Pain or tenderness in your face, jaw joint area, neck and shoulders, and in or around the ear when you chew, speak, or open your mouth wide. 2  Problems when you try to open your mouth wide. 3  Jaws that get stuck or lock in the open-or closed-mouth position.
Fimbriae: 1  Structure: Similar to pili, but shorter and more abundant on the cell surface. 2  Function: Adhesion of cells to surface and formation of pellicles (biofilms) containing thin sheets of cells on a liquid surface.
Structure and Function of Bacterial Cells (page 3) (This chapter has 10 pages) Â© Kenneth Todar, PhD Fimbriae and Pili Fimbriae and pili are interchangeable terms used to designate short, hair-like structures on the surfaces of procaryotic cells.Like flagella, they are composed of protein.igure 8. Fimbriae (common pili) and flagella on the surface of bacterial cells. Left: dividing Shigella enclosed in fimbriae. The structures are probably involved in the bacterium's ability to adhere to the intestinal surface.