St. Louis Children's Hospital is a pediatric hospital focusing on children's health and medicine. Their full range of medical services includes pediatric cardiology and cardiothoracic surgery; pediatric organ transplant (lung, heart, liver, kidney and bone marrow); cancer care; neurology; a comprehensive cerebral palsy center; neurosurgery, including selective dorsal rhizotomy and brachial plexus surgery; and cochlear implants. Cardiology is the branch of medicine dealing with disorders of the heart and blood vessels. ... In medicine, the field of (cardio)thoracic surgery or cardiovascular surgery is involved in the surgical treatment of diseases affecting organs inside the thorax, i. ... An organ transplant is the transplantation of a whole or partial organ from one body to another (or from a donor site on the patients own body), for the purpose of replacing the recipients damaged or failing organ with a working one from the donor site. ... When normal cells are damaged beyond repair, they are eliminated by apoptosis. ... Neurology is a branch of medicine dealing with disorders of the nervous system. ... Cerebral palsy or CP is the most common childhood physical disability. ... Old German engraving depicting a trepanation, an ancient and still performed neurosurgical procedure Neurosurgery is the surgical discipline focused on treating those central and peripheral nervous system diseases amenable to mechanical intervention. ... The brachial plexus is an arrangement of nerve fibres (a plexus) running from the spine (vertebrae C5-T1), through the neck, the axilla (armpit region), and into the arm. ... Cochlear implants are hearing devices that can help people with certain kinds of hearing impairment or who are entirely deaf. ...