hearing/vestibular/ear
• gross deficiencies of the utricular and saccular otoliths; utricular otoliths are either large irregular crystals or are absent, and saccular otoliths exhibit variable deficiencies
(J:12275)
• utricular otoliths only; otoliths are present as one or more distinctly large crystals or are entirely absent
(J:13508)
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behavior/neurological