耳柱骨(英语:columella)是爬虫类两生类鸟类听小骨,可将声波鼓膜传到内耳,其内端较粗,紧贴内耳的卵圆窗;外端较粗,连接在鼓膜中央。其功能相当于哺乳类中耳的镫骨[1]

参考资料

  1. ^ P. Kylén, T. Albrektsson, L. Ekvall, H. Hellkvist, A. Tjellström. Survival of the cortical bone columella in ear surgery. Acta Oto-Laryngologica. 1987-7, 104 (1-2): 158–165 [2019-05-25]. ISSN 0001-6489. PMID 3310512.