has part has part has_part characteristic of has modifier cochlea auditory hair cell abnormal hair cell physiology abnormal cochlear hair cell physiology any functional anomaly in processes pertinent to the integrated function of cochlear hair cells i.e. the sensory cells in the spiral organ which are in synaptic contact with sensory as well as efferent fibers of the cochlear (auditory) nerve MPheno.ontology MP:0004432 abnormal functionality internal ear