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.
The rough endoplasmic reticulum synthesizes proteins while the function of the smooth endoplasmic reticula is to synthesize steroids and lipids; regulate calcium concentration, drug metabolism, as well as attachment of receptors on cell membrane proteins; and metabolize steroids (but not lipids) and carbohydrates.he endoplasmic reticulum (ER) is an organelle in eukaryotes that forms an interconnected network of vesicles, tubules, and cisternae within cells.