The data set included sequences of genes from mammals, birds, amphibians, coelacanths, lungfishes, ray-finned fishes, and cartilaginous fishes. |
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Although most of the nasal structures are cartilaginous, the nasal bones usually are fractured in an injury. |
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The human larynx is composed of cartilaginous tissue that early in adulthood progressively undergoes ossification. |
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The menisci are two pads of cartilaginous tissue which serve to disperse friction. |
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By the late Devonian, 360 million years ago, early cartilaginous fish and bony fish were diversifying. |
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The snout of peccaries has the same mobile cartilaginous disk and terminal nostrils as pigs. |
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The coracoclavicular syndesmosis may be a diarthrosis or a cartilaginous symphysis. |
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An important organ seen in ray-finned fish but not in cartilaginous fish is the swim bladder. |
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Pale-faced, he told me he was trying to pierce his ear, but couldn't get the needle through the cartilaginous lobe. |
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In more basal vertebrates, cartilaginous structures can become superficially calcified in at least two different modes. |
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They also have a cartilaginous skeleton, heterocercal tail, and lack scales. |
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Interposed between the epiphysis and the diaphysis is the cartilaginous epiphyseal plate. |
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First appearing on Earth almost 450 million years ago, cartilaginous fish today include both fearsome predators and harmless mollusc-eaters. |
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An unorthodox scenario placing cartilaginous fish within bony fish has been suggested but has received no additional support. |
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More recent research demonstrated that none of the five invertebrates tested, nor the one cartilaginous fish had these receptors. |
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This property allows the tail to be light and flexible, yet stiff enough to generate thrust in the absence of a bony or cartilaginous skeleton. |
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That is, the cartilaginous radials extend to margins of pectoral fin, functionally and physically displacing the keratinous ceratotrichia. |
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These organisms had a cartilaginous internal skeleton and a bony exoskeleton. |
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The adventitia contains the cartilaginous rings interconnected by connective tissue. |
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Since achondroplasia affects mainly cartilaginous bones, the sitting height is normal while the standing height is short. |
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The sacrotuberous ligament is a cartilaginous attachment of the sacrum to the ischial tuberosity. |
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The freshwater sawfish, a ray, is related to stingrays, skates, sharks, and other fishes with cartilaginous skeletons. |
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The xiphoid process, also known as the xiphisternum is a small cartilaginous extension to the lower part of the sternum. |
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A backbone is composed of a series of cartilaginous or bony vertebrae connected by collagenous intervertebral joints. |
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Like all sharks, dogfish have no true bones but make do with a cartilaginous skeleton. |
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The skin of the cartilaginous canal is affected initially, with more severe disease affecting the concha, bony canal and tympanic membrane. |
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Among vertebrates, only the cartilaginous fishes, lungfishes and amphibians possess exceptionally large C-values. |
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The skeletons of most cartilaginous fish did not fossilize at all. |
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Rays and skates have a cartilaginous skeleton with wide depressed bodies, whip-like tails and well-developed pectoral fins that are fused to their head. |
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These days, the university operates a system of selection that is the envy of Oxbridge and many raw-boned cartilaginous youths are broken on the altar of inaccessibility. |
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Adolescents and young adults are at particular risk for various apophyseal and epiphyseal injuries due to lack of ossification of these cartilaginous growth plates. |
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The term degenerative arthritis is a general term used to describe degenerative changes in any type of articulation whether synovial, cartilaginous or fibrous. |
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It is formed by cartilaginous, bony and connective tissue structures. |
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There are three types of joints, fibrous, cartilaginous, and synovial. |
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Over the years, a 64-year-old man has had repeated bouts of tenderness of the cartilaginous part of both ears that typically last for one to two weeks. |
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The infection may extend to the cartilaginous skeleton of the ear canal and through Santorini's fissures to reach the temporal bone, causing osteitis. |
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Joints are classified in terms of their structure as fibrous, cartilaginous, or synovial, and in terms of their operation as immovable or movable. |
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Many acanthodians bore teeth directly on the Meckelian cartilage, which was ossified in most cases, but may have remained cartilaginous in others. |
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In addition, cartilaginous hardening is observed in conjunction with papillomatous outgrowths and hyperkeratosis of the skin in this stage. |
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Lateral ethmoid with cartilaginous condyle for articulation with lacrimal, supported dorsally and ventrally by osseous laminae. |
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They have a cartilaginous fluke at the end of their tails that is used for propulsion. |
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Microscopically, there are cartilaginous cells with increased cellularity and pleomorphism in comparison to benign tumors. |
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After this, the Greek knowledge of sharks and other cartilaginous fishes was lost until the Renaissance. |
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Secondary chondrosarcomas originate in transformed cells from a central chondroma or cartilaginous exostosis. |
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Intracranial chondromas are rare, benign, cartilaginous tumors that constitute about. |
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There is often associated destruction of the cartilaginous tracheobronchial rings with sparing of the non-cartilaginous posterior wall. |
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The cartilaginous skeleton contains the vocal cords and comprises the thyroid, cricoid, and arytenoid cartilages. |
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Scientists have shown that lemon sharks have the ability to learn from each other, the first example of this in cartilaginous fish. |
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In this case the drop in cartilaginous dorsal height was helpful to deproject the nose, making dorsal cartilage excision unnecessary. |
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A reported 33,400 species of fish, including bony and cartilaginous fish, had been described by 2016, more than all other vertebrates combined. |
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The bony fish have three pairs of arches, cartilaginous fish have five to seven pairs, while the primitive jawless fish have seven. |
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In vitro differentiation of chick embryo bone marrow stromal cells into cartilaginous and bonelike tissues. |
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But, there are only 1,200 species of cartilaginous fish, including sharks, rays and ratfish. |
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In cartilaginous fish, such as sharks, the vertebrae consist of two cartilaginous tubes. |
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The radula primarily functions to scrape bacteria and algae off rocks, and is associated with the odontophore, a cartilaginous supporting organ. |
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These bony elements develop directly, meaning they do not have any cartilaginous precursors. |
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Skates are cartilaginous fish belonging to the family Rajidae in the superorder Batoidea of rays. |
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Chondrosarcomas may arise de novo, or superimposed upon preexisting cartilaginous lesions, such as enchondromas or osteochondromas. |
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Sharks and rays are both cartilaginous fishes which can be contrasted with bony fishes. |
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Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 families. |
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Along with other members of the subclass Chondrostei, they are unique among bony fishes because the skeleton is almost entirely cartilaginous. |
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Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. |
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Rosenfeld suffers from multiple congenital cartilaginous exostosis, a rare condition that causes dozens of benign tumors to form in the long bones of his body. |
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Three or four of these huge cartilaginous fish, ten feet from wingtip to wingtip, hovered in swift currents to feed, slightly flapping their wings to remain in place. |
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Among the cartilaginous fishes, the elephant shark was selected for sequencing because of its compact genome, which is one-third the size of the human genome. |
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This fish was a pioneer for the ecological niche filled today by mammals, like blue whales, and cartilaginous fish, such as manta rays, basking sharks and whale sharks. |
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Batoidea is a superorder of cartilaginous fish commonly known as rays. |
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Their unique lungs have airways that are highly reinforced with cartilaginous rings and smooth muscle, and alveoli that completely deflate during deeper dives. |
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Rather than having acquired the muscle independently, amphioxus could be a living record of the transition from muscle-based midline to cartilaginous notochord. |
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