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.
1 Peroneal tendinitis is inflammation of the tendon that is located in the side of the ankle and foot. 2  Excessive hiking, tennis, or many other activities may cause peroneal tendinitis. 3  De Quervain's tenosynovitis is a painful inflammation of the tendons on the thumb side of the wrist. Achilles tendinitis is caused by downhill running, jumping, or other activities that can strain the calf muscles. 2  Peroneal tendinitis is inflammation of the tendon that is located in the side of the ankle and foot. 3  Excessive hiking, tennis, or many other activities may cause peroneal tendinitis.