of a particular importance among them were changes in the vessels of the microcirculation system that manifested themselves in the form of disturbed metabolism of acidic mucopolysaccharides with their accumulation and polymerization in the course of hypothyroidism , as well as accumulation of biogenic monoamines ( noradrenaline and serotonin ) in the endothelium of the precapillary arterioles and capillaries .
C0489903
vessels
C0006901
capillaries