DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell.
Radial nerve palsy. Radial nerve palsy in the arm most commonly is caused by fracture of the humerus, especially in the middle third (Holstein-Lewis fracture) or at the junction of the middle and distal thirds. The nerve may be compressed by the lateral intermuscular septum.
Bell's palsy is the most common cause of facial paralysis and it usually causes paralysis on just one side of the face. But what causes Bellâs palsy? Scientists think that Bellâs palsy may be caused by a viral infection that makes the facial nerve swell or become inflamed, according to the National Institute of Neurological Disorders and Stroke. Herpes viruses, which can inflame the nerves, have been associated with causing Bellâs palsy.