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单词 bony labyrinth
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bony labyrinth
a. Anatomy and Zoology. More fully bony labyrinth, osseous labyrinth: a system of cavities (vestibule, semicircular canals, and cochlea) present within the petrous portion of the temporal bone. Also: the system of membranous canals and sacs contained within this; = membranous labyrinth n. at membranous adj. Compounds. Also called inner ear, internal ear.In early use, the name labyrinth was often reserved for the vestibule and semicircular canals (excluding the cochlea).
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the world > life > the body > sense organ > hearing organ > parts of hearing organ > [noun] > labyrinth
earOE
labyrinth1578
internal ear1615
inner ear1655
ear bulb1838
1578 J. Banister Hist. Man viii. f. 105 The fift payre of sinewes..entereth the blynd bone & laberinthe sited in the temporall bone.
1638 A. Read Man. Anat. Body of Man (new ed.) .iii. xi. 458 About the end of this cavity directly against the tympanum, there are two perforations called fenestellæ, or little windowes: wherof the one is ovall, the entrance to the labyrinth.
1683 A. Snape Anat. Horse iii. xiv. 139 The oval Window, by which sounds pass out of the first Cavity into the second called the Labyrinth.
1712 P. Blair in Philos. Trans. 1710–12 (Royal Soc.) 27 125 I search'd for the Labyrinth, or Lineæ Semilunares, but could find none.
1766 A. Walker Anal. Course Lect. Nat. & Exper. Philos. v. 28 This vibration..is so increased, that in making its way up the labyrinth, it gives a shock to the auditory nerves inserted in it.
1803 tr. J. Burdin Course Med. Stud. III. 253 In the bodies of some old men, who had continued deaf for several years, the osseous labyrinth has been found empty.
1873 St. G. Mivart Lessons Elem. Anat. ix. 393 A labyrinth composed of three semicircular canals is also almost universal.
1913 J. W. Jenkinson Vertebr. Embryol. vii. 161 The auditory vesicle—which will develop into the labyrinth or internal ear—is formed, like the lens of the eye, by invagination of the nervous layer of the ectoderm.
1954 Househ. Guide & Almanac (News of World) 217/1 The sense of balance was acquired early in the history of creation through a tiny organ situated behind each ear and named the Labyrinth.
2011 Action on Hearing Loss Aug. 23 The labyrinth (fluid-filled channels in the inner ear) gives the brain information about head movement to help us balance.
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