calculated blood vessel smooth muscle cell count calculated aorta smooth muscle cell count calculated aortic smooth muscle cell count 2013-06-18T12:59:11Z clinical_measurement_ontology CMO:0001645 jsmith A measurement which has been normalized, adjusted or derived by a mathematical process or computation of the total number of cells, membrane-enclosed protoplasmic masses constituting the smallest structural unit of an organism that is capable of independent functioning, in a specified sample of the aorta smooth muscle, the contractile soft tissue having fine myofibrils but lacking transverse striations composing the majority of the wall of the great artery arising from the left ventricle from which the systemic arterial system proceeds.