| 词汇 | otolith |
| 释义 | otolith noun[ C ] anatomy specializeduk /ˈəʊ.tə.lɪθ/ us /ˈoʊ.t̬oʊ.lɪθ/ any of the very small pieces of bone-like material found in the inner ear of people and animals that help them recognize movement of their body: The vestibular hair cells are located in the otolith organs, where they detect linear movements of the head. Otoliths grow as fish grow, and a ring or band is added to the bone every year. When the head position changes, the otoliths "roll" in gelatinous material, responding to gravitational pull. The sudden dramatic falling spells are thought to result from a sudden pressure change across one of the otolith organs of the inner ear. Fish were identified using otolith morphology. The ear antihelix antitragus audiological audiology auditory tube cochlea eardrum earlobe incus labyrinth labyrinthitis malleus mastoid cell membranous labyrinth organ of Corti saccule sacculus semicircular canal snug piercing stapedial Related wordotolithic Examples of otolithotolith On top of this layer lie calcium carbonate crystals called statoconia or otoliths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fish otoliths accrete layers of calcium carbonate and gelatinous matrix throughout their lives. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The calcium carbonate that the otolith is composed of is primarily derived from the water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This membrane is weighted with calcium carbonate-protein granules called otoliths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The otolith is a part of the inner ear that is associated with equilibrium control: acceleration with respect to gravity as its primary sensory input. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The hypothesis assumes that debris from the otolith organ becomes attached to the cupula of the posterior semicircular canal. For the study herein, croaker ages were estimated based on month and location of capture and on the presence/ absence of an otolith annulus. The sudden dramatic falling spells (otolithic crises) are thought to result from a sudden pressure change across one of the otolith organs of the inner ear. Most commonly, the growth of fish is measured by collecting individuals of varying sizes, measuring their length and determining their age by the otoliths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Information from the otolith organs reflects gravity and linear accelerations of the head. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A statocyst with a single otolith is attached dorsally to each pedal ganglion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are 37 to 39 vertebrae, while the and otolith morphology also distinctive. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other methods of aging, such as those using scales and otoliths, were found to underestimate ages for older fish. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Both the semicircular canals and the otolith organs provide information to the brain regarding our bodys position and movement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A similar technique is also used to analyse fish stocks through the analysis of similar growth rings in the otolith bones of fish. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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