How To Use Ossicle In A Sentence
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The fauna is dominated by common fenestrate bryozoans and crinoid ossicles.
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An unpaired commonly enlarged interbrachial ossicle, the axillary, occurs in most Paleozoic asteroids, including those treated here.
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A distinguishing feature of the echinoids is that the ossicles imbricate and are fused into a globular or discoidal test; its flattened or concave oral side faces the substratum and the aboral side is arched in most species.
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Viguier noted the value of the odontophore, an unpaired interbrachial ossicle located behind each pair of mouth angle ossicles.
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Though I have every reason to believe, that between the prostate of the male and the uterus of the female, the same amount of analogy exists, as between a coccygeal ossicle and the complete vertebral form elsewhere situated in the spinal series, I am as far from regarding the two former to be in all respects structurally or functionally alike, as I am from entertaining the like idea in respect to the two latter.
Surgical Anatomy
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Sutural bones are usually small, irregularly shaped ossicles, often found in the sutures of the cranium, especially in the parietal bones.
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Calcareous ossicles make up the internal skeleton.
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Sound is conducted through the middle ear via the stapes or columella (both are ear ossicles derived from the hyomandibular).
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The second ossicle which receives the hammer blows is the incus ( "anvil" L).
The Human Brain
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As they grow, asteroids add new ossicles and increase size of existing ossicles.
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The position of these plates on the non-rudiment side of the larva suggests that ossicles occurring on the aboral surface are extraxial.
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Internally, the mastoid is hollowed out to form the epitympanic recess to accommodate the ossicles of the middle ear.
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Among these are large numbers of invertebrate fossils, including bryozoans and brachiopods located in the Calville limestone of the Grand Wash Cliffs, and brachiopods, pelecypods, fenestrate bryozoa, and crinoid ossicles in the Toroweap and Kaibab formations of Whitmore Canyon.
Proclamation On The Grand Canyon Parashant National Monument
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The calcitic ossicles of crinoids, as is typical of echinoderms, form an internal skeleton that provides support and protection.
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The footplate of the stirrup which serves as the innermost link of the ossicle chain is movably mounted in the opening of the oval window of the inner ear which faces the middle ear.
Nobel Prize in Physiology or Medicine 1961 - Presentation Speech
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If the eardrum is no longer physically connected to the inner ear, i.e. loss of a single ossicle, the impedance matching effectively reduces to zero (in fact "poor impedance matching" is just an oxymoron), but hearing does not require all parts of the system.
A Decade Spanning Single Exchange
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The ambulacral grooves are narrow and the ambulacral ossicles are not exposed.
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These novel morphological approaches to the study of the ommatidia and the foregut ossicles may have limited application in the fossil record.
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These remains included isolated teeth and a lower jaw of Equus, postcranial remains and lower molars of Mammuthus, a tooth and dermal ossicles of a mylodontid edentate, and glyptodont scutes.
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Asteroids are epifaunal, with a skeleton of comparatively small, unfused ossicles imbedded in a surface dermal layer.
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Within the airfilled middle ear the vibrations are transmitted via a subtle system of levers, the ossicle chain, to the fluid of the inner ear, the cochlea.
Nobel Prize in Physiology or Medicine 1961 - Presentation Speech
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Only in mammals are there three ossicles: the maleus, incus, and stapes.
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With growth, the alar ligaments that attach the tip of the dens to the occiput pull the ossicle upwards giving it its characteristic appearance.
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Sound waves reaching the tympanic membrane will initiate vibrations that are transmitted through the bony ossicles of the middle ear to the oval window.
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Because in doing so it strikes again and again on the second bone, this first ossicle is called the matteus (mal'ee-us; "hammer" L).
The Human Brain
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The calcitic ossicles of crinoids, as is typical of echinoderms, form an internal skeleton that provides support and protection.
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We may compare the similar thought that the ear ossicles are simply opercular bones reduced and turned to other uses.
Form and Function A Contribution to the History of Animal Morphology
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Accessory ossicles are the spines, spinelets, granules, and pedicellariae that occur in abundance on most asteroids.
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The terminal is an unpaired ossicle occurring at the dorsal tip of the arm.
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One was in contact with the substratum, and the other formed a dome within the marginal ossicles, thus creating a body cavity.
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If the eardrum is no longer physically connected to the inner ear, i.e. loss of a single ossicle, the impedance matching effectively reduces to zero (in fact "poor impedance matching" is just an oxymoron), but hearing does not require all parts of the system.
A Decade Spanning Single Exchange
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Sound is conducted through the middle ear via the stapes or columella (both are ear ossicles derived from the hyomandibular).
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Sutural bones are usually small, irregularly shaped ossicles, often found in the sutures of the cranium, especially in the parietal bones.
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Most such particles are echinoderm stem ossicles, brachiopods, bryozoans or other corals.
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The malleus, or hammer, is the largest of the three ossicles.
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The most distinctive taxon, represented by a pluricolumnal and the articular face of an isolated columnal, has low elliptical ossicles, with long fine crenulae and an apparently excentric minute lumen.
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A rod-like columella auris replaces the chain of ear ossicles, and may, or may not, answer to the stapes alone, or even possibly to the entire series.
Text Book of Biology, Part 1: Vertebrata
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Again, with reference to the homology of the ossicles of the ear with the opercular bones in fish, "employing other resources equally hidden and rudimentary, Nature makes profitable use of the four tiny ossicles lodged in the auditory passage, and, raising them in fish to the greatest possible dimensions, forms from them these broad opercula ...." (p. 85).
Form and Function A Contribution to the History of Animal Morphology
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Most such particles are echinoderm stem ossicles, brachiopods, bryozoans or other corals.
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Among von Békésy's important contributions to our knowledge of sound transmission in the middle ear should be mentioned the elucidation of the vibration patterns of the eardrum and of the interplay of the ossicle movements.
Nobel Prize in Physiology or Medicine 1961 - Presentation Speech
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Vibrations of the eardrum are then coupled by the middle ear ossicles, the three smallest bones in the body, to the fluid-filled cochlea.
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Modified ossicles called lappets that border the ambulacral groove function to close off the groove and prevent damage to the tube feet.
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The possession of an odontophore internal to the mouth angle ossicles can only be interpreted as an apomorphy of crown asteroids.
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If the tiny muscles attached to them are damaged, or if the nerves leading to those muscles are, the ossicle movements become somewhat erratic.
The Human Brain
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A reduced hyomandibula associated with the quadrate in a fish's visceral skull evolved to form the ear ossicle called the stapes, or columella.
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Reptiles have a single ear ossicle, the stapes or stirrup bone.
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The position of these plates on the non-rudiment side of the larva suggests that ossicles occurring on the aboral surface are extraxial.
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These contractions dampen the vibrations of the ossicles, thereby reducing the transmission of sound through the middle ear.
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The middle ear ossicles and tympanic membrane remained intact, so sound stimulation could be applied to the preparation through a loudspeaker connected to the external ear canal.
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The odontophore is an unpaired typically T-shaped ossicle between and dorsal to the distal side of each mouth-angle ossicular pair.
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The long bones of the limbs appeared as rudimentary ossicles.
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Though some would debate your right to ears if you keep your iPod volume maxed at an ossicle-wobbling level, an owner of Apple's popular Lilliputian jukebox has filed a lawsuit against the computer maker, claiming the device can cause hearing loss in people who use it.
Jobs' Apple Faces Lawsuit Over iPod Volume
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Every reptile, living or fossil, however, has at least four bones in the lower jaw and only one auditory ossicle, the stapes… There are no transitional fossil forms showing, for instance, three or two jawbones, or two ear bones.
What a difference a day makes. - The Panda's Thumb
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Reptiles have a single ear ossicle, the stapes or stirrup bone.
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The carbonate products are made up of oolitic grains, oolitic gravels, benthic foraminifers and crinoid ossicles, in decreasing order of abundance.
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One, the pterion ossicle, sometimes exists between the sphenoidal angle of the parietal and the great wing of the sphenoid.
II. Osteology. 5a. 6. Ethmoid bone
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The incus was the most vulnerable ossicle in the trauma to the middle ear.
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The function of the ossicles (ear bones) in the mammalian middle ear is to efficiently transmit sound vibrations from the tympanic membrane to the inner ear.
A Decade Spanning Single Exchange
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There's little point discussing the minutiae of ossicle evolution if you reject that reptiles and mammals share a common ancestor.
A New Book