abnormal blood vessel physiology abnormal ear physiology abnormal blood-inner ear barrier function MP:0004999 MPheno.ontology anomaly in the function of the group of barriers and transport systems which regulate the transport of various substances from blood to inner ear tissue and maintain the microhomeostasis and functional integrity of the inner ear; the endothelial cells of the inner ear blood capillaries, linked to each other by tight junctions, represent the main component of the blood-inner ear barrier