单词	otolith
释义	otolith noun oto·​lith ˈō-tə-ˌlith  : a calcareous concretion in the inner ear of a vertebrate or in the otocyst of an invertebrate otolithic ˌō-tə-ˈli-thik  adjective Example Sentences Recent Examples on the Web An otolith is an inner ear bone found in salmon and other fish that develops a new layer each year. Ned Rozell, Anchorage Daily News, 30 July 2022 Using a bony growth called an otolith that exists in the head of most fish, Brown and others counted growth rings, estimating older fish sometimes reached the age of 14. Ned Rozell, Anchorage Daily News, 1 May 2021 For years, scientists have used an inner ear bone called an otolith to estimate the lifespan of fish. Jennifer Leman, Popular Mechanics, 6 Apr. 2020 The oxygen molecules in the fish ear bones, or otoliths, carry a record of life history. Yereth Rosen, Anchorage Daily News, 4 Aug. 2017 Scientists use the growth structure of otoliths to estimate a fish's age. Alaa Elassar, CNN, 12 Jan. 2020 The researchers then used a microscope to count the growth rings on each slice of otolith. Sean Landsman, National Geographic, 2 Aug. 2019 Changes to otolith size could affect fish hearing and orientation, researchers say. Elizabeth Preston, Science | AAAS, 20 June 2019 Under extreme high carbon dioxide conditions, the ocean acidifies, affecting, among other things, the development of a fish’s otoliths, or ear bones. Jacqueline Detwiler, Popular Mechanics, 10 Dec. 2018 See More Word History Etymology French otolithe, from ot- + -lithe -lith First Known Use circa 1836, in the meaning defined above Medical Definition otolith noun oto·​lith ˈōt-ᵊl-ˌith  : a calcareous concretion in the inner ear of a vertebrate or in the otocyst of an invertebrate that is especially conspicuous in many bony fishes where it forms a hard body and in most of the higher vertebrates where it is represented by a mass of small calcareous otoconia called also statolith
随便看	cawquaw caws Caxias caxias caxon caxons Caxton Caxtonian cay Cayabi cayabis cayak Cayapa cayapas Cayapo cayapos cayenne Cayenne cherry Cayenne linaloe oil cayenne pepper cayennes Cayey cayman Cayman Islands Cayman Trench

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。