Centrioles are found in animal cells, but not plant cells. They help to organize the assembly of microtubules during cell division. Centrioles are found within cell structures known as centrosomes. During cell division, the centrosome and centrioles replicate and migrate to opposite ends of the cell.
The peroneus brevis tendon and peroneus longus tendon merge in a sheath behind the ankle. When the corresponding muscles are flexed, the tendons slide inside the sheath. Symptoms of injury to the peroneus brevis tendon include swelling as well as pain at the base of the little toe or in the outer ankle area.
Pain upon pronation of the soles of the feet is one of the symptoms of peroneal tendon subluxation or dislocation. Audible snap or a sound during the injury. Pain or tenderness posterior to the lateral malleolus. Patient suffering from peroneal tendon subluxation or dislocation will have inability to bear weight.