MeSH definition : A supernumerary rib developing from an abnormal enlargement of the costal element
of the C7 vertebra. This anomaly is found in 1-2% of the population and can put pressure
on adjacent structures causing CERVICAL RIB SYNDROME; THORACIC OUTLET SYNDROME; or
other conditions.;
A supernumerary rib developing from an abnormal enlargement of the costal element
of the C7 vertebra. This anomaly is found in 1-2% of the population and can put pressure
on adjacent structures causing CERVICAL RIB SYNDROME; THORACIC OUTLET SYNDROME; or
other conditions.