Myringotomy children, while local anesthesia suffices for adults. The ear is washed and a small incision made in the eardrum. Any fluid that is present is then aspirated, the tube of choice inserted, and the ear packed with cotton to control any slight bleeding that might occur. This is known as conventional (or "cold knife") myringotomy and usually heals in one to two days. A new variation (called "tympanolaserostomy" or "laser-assisted tympanostomy") uses CO laser, and is performed with a computer-driven laser and a video monitor to pinpoint a precise location for the hole. The laser takes one tenth of a
Human body blood to produce urine, which carries a variety of waste molecules and excess ions and water out of the body. Human anatomy is the study of the shape and form of the human body. The human body has four limbs (two arms and two legs), a head and a neck which connect to the torso. The body's shape is determined by a strong skeleton made of bone and cartilage, surrounded by fat, muscle, connective tissue, organs, and other structures. The spine at the back of the skeleton contains the flexible vertebral column which surrounds the spinal cord, which is a