DNA replication is the process of producing two identical replicas from one original DNA molecule. This biological process occurs in all living organisms and is the basis for biological inheritance.
Ear Tubes. Recurring ear infections or fluid build-up in the middle ear may require the temporary placement of tubes in the ear. Ear tube surgery involves a very small incision in the eardrum, which is a thin layer of tissue separating the outer and middle ear. The procedure is known as a myringotomy or tympanostomy. A small, plastic tube shaped like a hollow spool (a tympanostomy tube) is then inserted into the eardrum to keep the middle ear drained and ventilated. The tubes remain for 6 months to several years, and eventually fall out or are removed by a doctor.
Aetna considers minimally invasive, off-pump Maze procedures, also known as thoracoscopic off-pump surgical ablation (TOPS), experimental and investigational for atrial fibrillation or flutter because there is insufficient evidence of their effectiveness. See also CPB 0019 - Holter Monitors.The Maze procedure is a surgical treatment of atrial fibrillation (AF) in which multiple atrial incisions interrupt the pathogenic reentrant circuits and also direct the sinus impulses to the AV node along a specified route.etna considers minimally invasive, off-pump Maze procedures, also known as thoracoscopic off-pump surgical ablation (TOPS), experimental and investigational for atrial fibrillation or flutter because there is insufficient evidence of their effectiveness. See also CPB 0019 - Holter Monitors.