The ear and hearing in the frog, Rana pipiens.
D000717:Anatomy, Comparative; D000818:Animals; D001307:Auditory Perception; D001309:Auditory Threshold; D002923:Cilia; D004423:Ear / Q000033:anatomy & histology*; D004431:Ear, External / Q000033:anatomy & histology; D004432:Ear, Middle / Q000033:anatomy & histology; D006309:Hearing; D011894:Rana pipiens / Q000033:anatomy & histology* / Q000502:physiology