A: The function of the cartilaginous rings of the trachea is to stabilize the trachea and keep it rigid while allowing the trachea to expand and lengthen when the person breathes. If the trachea was not supported in this way, it would simply collapse because of the pressure of the chest.
HCM remains the most common cardiovascular genetic disorder, occurring in at least 1 in 500 people in the general population. 7 HCM is a primary inherited disorder of the myocardium characterized by hypertrophy, usually of the left ventricle, in the absence of other loading conditions such as hypertension.
CLL Cytogenetics. 13q deletion is the most common genetic aberration found in CLL by FISH (55%), followed by 11q deletion (18%), 12q trisomy (16%), and 17p deletion (7%). The prognosis of CLL varies with the chromosomal abnormality.