• Adult Pacific lamprey can be distinguished from other species of lamprey by the presence of three large teeth and posterior teeth on the oral disc. (alaska.gov)
  • two protruding front teeth") is an extinct genus of marsupial from the Pleistocene of Australia containing one species , D. optatum . (wikipedia.org)
  • Several teeth and a few bones may be all that remain of a diminutive species of early human who lived on the island of Luzon prior to 50,000 years ago. (kunc.org)
  • With two puzzling species in Southeast Asia, scientists are also wondering what it tells us about the migration of human ancestors out of Africa. (kunc.org)
  • But the shapes of teeth from a number of hominid species suggest that arrivals from Asia played a greater role in colonizing Europe than hominids direct from Africa. (ex-christian.net)
  • The shape of the teeth offered clues about each species' genetic lineages. (ex-christian.net)
  • Yet, despite their monstrous size and nightmarish teeth, the species was no match for the global warming that occurred towards the end of the Pliocene Era. (iflscience.com)
  • This means the seabed is littered with teeth belonging to various species of shark, both alive and dead. (iflscience.com)
  • Our prehistoric forebears shared habitats with these sorts of behemoths in parts of the Americas, and in Africa we tangled with various species of saber-tooths for millions of years. (simonandschuster.com)
  • Humpback whales are one of the larger species of whales, and they display significant size variations between individuals. (danawharf.com)
  • Another attribute of fungi, spalted wood―that is, wood colonized and stained by certain species of fungi―was a prized commodity among European artisans who practiced the form of wood inlaying called intarsia. (cdc.gov)
  • Intarsiatori inlayed varied shapes, sizes, and species of wood―each with distinct patterns and tones―to fashion decorative items, panels, and elaborate pieces of furniture. (cdc.gov)
  • Although most representatives of the species are of the inland form, some populations of bull trout are anadromous and can co-exist with dolly varden char along the coast. (atlanticpanic.com)
  • Dental caries, periapical inflammation and tooth loss in the deciduous teeth can alter the correct permanent teeth eruptions. (wikipedia.org)
  • The study involves collecting the deciduous teeth of babies, both those which were shed recently and those saved as a memoir by parents, The date of birth and the location where the child was carried to term and raised is recorded. (rationalwiki.org)
  • Periodontal disease: irregular teeth would hinder the ability to clean teeth meaning poor plaque control. (wikipedia.org)
  • Additionally, if teeth are crowded, some may be more buccally or lingually placed, there will be reduced bone and periodontal support. (wikipedia.org)
  • Furthermore, in Class III malocclusions, mandibular anterior teeth are pushed labially which contributes to gingival recession and weakens periodontal support. (wikipedia.org)
  • It is distinguished by pathologic loss of alveolar bone and the periodontal ligament (PDL), thus causing tooth mobility and even adult tooth loss [ 1 ]. (biomedcentral.com)
  • It is called false as opposed to real or periodontal pocketing which is formed by apical migration of the crevicular epithelium as the periodontal ligament is destroyed by inflammation. (51lunwen.org)
  • In the periodontium, the cementum of a tooth is attached to the alveolar bone by the periodontal ligament (PDL) and the root is contained within the alveolar bone socket. (chestervetclinic.com)
  • Osseointegration can be contrasted with fibroosseous integration, in which there is a soft-tissue interface that is viewed as the equivalent of the periodontal ligament that surrounds the tooth. (medscape.com)
  • August 6, 2007 Europe's first early human colonizers were from Asia, not Africa, a new analysis of more than 5,000 ancient teeth suggests. (ex-christian.net)
  • But using the latest fossil findings, Martinón-Torres and colleagues were able to examine more than 5,000 teeth from two-million-year-old Australopithecus and Homo skeletons from Africa, Asia, and Europe. (ex-christian.net)
  • Rather than a one-way stream of people coming from Africa, Martinón-Torres and colleagues think there must have been a more fluid pattern of migrations. (ex-christian.net)
  • This movement of wildlife is the second largest big game trek in Africa, after the spectacle of the Serengeti's migration. (bushtracks.com)
  • The investigators also state that the developmental primordia from which the premaxilla of nonmammalian tetrapods arises only rarely is involved in forming the upper jaw in therian mammals, instead developing into a motile nose. (medscape.com)
  • inner teeth at symphysis of upper jaw are longer than the fixed canines at front of jaw (Ref. 89707 ). (mnhn.fr)
  • [9] There is credible evidence that suggests that migrations to newly formed service towns and the associated rise in infections are the real cause of the childhood leukemia increase. (rationalwiki.org)
  • The reformation of oriented PDL fibers and their firm attachment to the newly formed cementum and alveolar bone is still significant challenges. (biomedcentral.com)
  • Bone resorption after teeth extraction decreases the height and width of the alveolar bone. (allenpress.com)
  • Adults often undertake considerable spawning migration to suitable backwaters and flooded meadows. (mnhn.fr)
  • Long Migration: Humpback whales undertake one of the longest migratory journeys of any mammal, traveling thousands of miles between their feeding and breeding grounds each year. (danawharf.com)
  • Global Distribution: Humpback whales can be found in oceans around the world, and different populations undertake migrations between polar feeding grounds and tropical breeding grounds. (danawharf.com)
  • It houses the teeth, forms the roof of the oral cavity, forms the floor of and contributes to the lateral wall and roof of the nasal cavity, houses the maxillary sinus, and contributes to the inferior rim and floor of the orbit. (medscape.com)
  • Pregnant females lead the migration to the spring calving grounds in May, where the cows give birth to single calves. (brighthub.com)
  • Implants that are placed adjacent to teeth with periapical lesions may also be at greater risk of failure. (medscape.com)
  • Adults often make considerable spawning migrations to suitable backwaters and flooded meadows. (mnhn.fr)
  • Usually the most pronounced inflammatory swelling is seen in adolescents and young adults so that false pocketing is formed. (51lunwen.org)
  • Spawning begins at about age 2 when the fish are approximately 12 inches in length and generally occurs in the fall and winter during offshore migrations and/or at the wintering grounds. (maryland.gov)
  • They swim in tropical and subtropical coastal waters and the open ocean, and some venture into New Zealand waters on their annual migrations during summer. (teara.govt.nz)
  • This would have made them especially vulnerable to rising sea temperatures and the subsequent migration of prey to cooler waters. (iflscience.com)
  • Their sharp teeth and powerful jaws make them an apex predator in the waters they inhabit, preying on smaller fish, frogs, and even small mammals and birds that may have fallen into the water. (safeharborfishing.com)
  • Anne remained in Panamanian waters for 116 days, then swam toward Clipperton Island (France), nearing Cocos Island (Costa Rica) en route to Darwin Island in the Galapagos (Ecuador), a site known to attract groups of sharks. (si.edu)
  • 1983. Particulate forms of radium and barium in uranium mine waste waters and receiving river waters. (cdc.gov)
  • At the end of their first year, juveniles in the Chesapeake Bay region and the coastal bays join the offshore migration of adult fish. (maryland.gov)
  • It has been reported that large bone gaps around immediate dental implants may interfere with the osseointegration process because of migration of the surrounding soft tissues into these gaps. (allenpress.com)
  • Although PDL and bone are two dissimilar tissues in physical and chemical properties, the continuity formed by blood vessels enables a flow of nutrients and maintains cellular activity responsible for PDL turnover and bone remodeling. (chestervetclinic.com)
  • Using cluster sampling techniques of form, function or position of the variations in the prevalence of dental 500 children (aged 4-6 years) were teeth, bones and tissues of the jaw and and soft tissue anomalies. (who.int)
  • Like others in the genus Aviceda, they have two tooth-like indentations on the edge of the upper bill. (earthlife.net)
  • Megaptera Genus: The scientific name "Megaptera" means "big-winged" in Latin, referring to their large pectoral fins (flippers) that can reach lengths of up to one-third of their body size. (danawharf.com)
  • If this molar relationship exists, then the teeth can align into normal occlusion. (wikipedia.org)
  • Its jaws may have produced a strong bite force of 2,300 newtons (520 pounds-force) at the long and ever-growing incisor teeth, and over 11,000 newtons (2,500 lb f ) at the last molar . (wikipedia.org)
  • the posterior molar or wisdom-teeth were tending to become rudimentary in the more civilized races of man. (creation.com)
  • It is the only marsupial and metatherian that is known to have made seasonal migrations. (wikipedia.org)
  • Researchers from the Makgadikgadi Zebra Migration Project have figured each year the zebras travel around 2,300 kilometers (1,430 miles) in a seasonal gyre to access water and the grazing that are separated by vast tracts of lifeless salt flats. (bushtracks.com)
  • They also state that "Risk factors such as changes in land use, seasonal migration, international travel, extreme weather, and natural disasters, and the use of azole antifungal agents in large-scale agriculture are believed to underlie many of the increases in community-acquired fungal infections. (cdc.gov)
  • Students who were aged only cause aesthetic problems but also Furthermore, since dental anomalies 4-12 years and showed good coopera- can lead to dental problems such as such as missing teeth, supernumerary tion during examination were recruited functional disorders, dental caries, pulp teeth and gemination problems are for the study. (who.int)
  • The finding suggests that the hominid family tree could be much more complex than previously thought (explore an interactive atlas of human migration ). (ex-christian.net)
  • Pacific lampreys are distinguished from other Alaska lampreys by three large teeth on the supraoral bar and three sharp points on each of the central lateral tooth plates. (alaska.gov)
  • They can be recognised by their great size and distinctive blue-grey or red-brown colouring, with grid-like patterns of white spots and stripes. (teara.govt.nz)
  • Witness the awe-inspiring beauty of the largest fish in the world as you delve into their fascinating migration patterns, feeding habits, and unique anatomy. (scuba-do.com)
  • By understanding their migration patterns, feeding habits, and ecological role, we can work towards their preservation. (scuba-do.com)
  • Until recently, a lack of fossils from this time period had made it difficult to piece together hominid evolution and migration patterns. (ex-christian.net)
  • The researchers classified each of the teeth using more than 50 indicators, such as fissure patterns, overall size, and length-to-width ratio. (ex-christian.net)
  • The researcher also believes that climate, food, and geography were major influences on hominid migration patterns. (ex-christian.net)
  • The symptoms are as follows: Tooth decay (caries): misaligned teeth will make it more difficult to maintain oral hygiene. (wikipedia.org)
  • our ancestors had larger jaws, so there was room in the human mouth for 32 permanent teeth, including third molars-wisdom teeth. (creation.com)
  • Belonging to the group of elasmobranchs, they are often mistaken for whales due to their massive size. (scuba-do.com)
  • This bubble net forms a barrier that prevents the prey from escaping, making it easier for the whales to capture large amounts of food in one efficient effort. (danawharf.com)
  • Despite their large size, humpback whales are known for their agility and acrobatic behaviors, making them a favorite among whale watchers and marine enthusiasts. (danawharf.com)
  • It also helps that teeth fossils are relatively common. (iflscience.com)
  • Not only are there no fossils younger than 2 million years old, there is no visible evidence (like gigantic teeth marks on smaller animals) to back this "theory" up. (iflscience.com)
  • Based on teeth and bones found there, scientists suspect that these early humans probably stood less than 4 feet tall and had several apelike features. (kunc.org)
  • In 2011, they hit pay dirt - more toe bones, as well as finger bones, part of a thigh bone and seven teeth. (kunc.org)
  • So the team spent another eight years studying the bones and teeth. (kunc.org)
  • She says it's "super-surprising" how the teeth and bones exhibit some "very primitive traits" along with modern ones. (kunc.org)
  • They, too, had a surprising mix of primitive and humanlike bones and teeth. (kunc.org)
  • That's because-compared to bones-teeth change shape very little once they are formed, and their shape is strongly influenced by genetics. (ex-christian.net)
  • Two of the astragali are from very young calves, as indicated by the small size and the porous structure of the bones. (jalc.nl)
  • Two maxillary bones are joined in the midline to form the middle third of the face. (medscape.com)
  • Forming a suction cup with their mouths, cookie-cutter sharks latch onto their prey and rotate, carving out a chunk of flesh. (teara.govt.nz)
  • The Black Baza ( Aviceda leuphotes ) is a small-sized bird of prey found in the forests of South Asia and Southeast Asia. (earthlife.net)
  • These teeth serve as a key tool for capturing prey, allowing the jack fish to strike quickly and with precision. (safeharborfishing.com)
  • carpio is the latinized form of carp (Ref. 1998). (mnhn.fr)
  • Individuals living in streams do not often grow larger than 4 kg, but the lake inhabitants, which have a longer migration to spawing sites, can acheive more than 9 kg (USFWS, 1998). (atlanticpanic.com)
  • Lampreys tend to migrate upstream in large groups and once upstream migration commences, lampreys do not feed. (alaska.gov)
  • According to Rougie's study the ducks retain the same ability of migrating ducks to reserve great quantities of energy in the form of fat in their liver although they no longer migrate. (prueleith.co.za)
  • In orthodontics, a malocclusion is a misalignment or incorrect relation between the teeth of the upper and lower dental arches when they approach each other as the jaws close. (wikipedia.org)
  • There are three generally accepted causative factors of malocclusion: Skeletal factors - the size, shape and relative positions of the upper and lower jaws. (wikipedia.org)
  • Such powerful jaws would have allowed it to eat vegetation in bulk, crunching and grinding plant materials such as twigs, buds and leaves of woody plants with its bilophodont teeth. (wikipedia.org)
  • Evolutionists have taught that humans evolved from ape-like ancestors that possessed larger jaws and teeth than us. (creation.com)
  • It is a well known fact that nature tries to eliminate that which is not used … Likewise, civilization, which has eliminated the human need for large, powerful jaws, has decreased the size of our maxillae and mandibles. (creation.com)
  • The putative problem is that humans today have smaller jaws but just as many teeth as their evolutionary antecedents. (creation.com)
  • Common past dental practice was a tendency to routinely remove wisdom teeth. (creation.com)
  • Additionally, studies have shown that in comparison to nonconditioned teeth, acid conditioned tooth roots presented a greater tendency to maintain fibrin clot, exposing collagen fibrils and increasing the levels of proteoglycans 8 . (bvsalud.org)
  • The only type 4 one-sided composite comb, with straight, narrow side plates and winged end tooth plates, and the only complete two-sided composite comb were found in this phase. (jalc.nl)
  • The only complete one-sided composite comb is of type 2, with wide, curved side plates and non-extended end tooth plates. (jalc.nl)
  • The file looks a little like the teeth of a comb, and the scraper is just a sharp edge. (vtecostudies.org)
  • The ultimate goal of orthodontic treatment is to achieve a stable, functional and aesthetic alignment of teeth which serves to better the patient's dental and total health. (wikipedia.org)
  • Dental implants may be used to replace single teeth, replace multiple teeth, or provide abutments for complete dentures or partials. (medscape.com)
  • This topic focuses on the placement of single-tooth dental implants. (medscape.com)
  • The presence of dental caries on adjacent teeth is not a contraindication for implant placement, but lesions should be eliminated and teeth restored prior to proceeding with surgical procedures. (medscape.com)
  • But now, see this prisoner two-thirds our height, gray-faced, legs caked with mud, ribs showing, his rotten teeth outsize in his shrunk skull. (massreview.org)
  • A major conclusion of evolution is that the human jaw has shrunk from its much larger ape size to the smaller modern human size as humans evolved. (creation.com)
  • These arches form on either side of the foregut and correspond to the primitive branchial arches. (medscape.com)
  • A series of small buds of tissue called the facial primordia forms around the stomodeum, which forms the primitive mouth. (medscape.com)
  • But other traits, like toes, did not evolve or may even have regressed to a more primitive form. (kunc.org)
  • Lampreys remain at this stage for three to seven years before metamorphosing into juveniles, which includes the development of a sucking mouth, eyes, and teeth. (alaska.gov)
  • The parent organization received a donation of baby teeth collected by a legitimate long term study in the years 1958-1970, which investigated the uptake and health effects of strontium-90 from atmospheric nuclear testing. (rationalwiki.org)
  • Even the mouth combines an unusual mix of past and present: Some of the teeth look much like ours, while others are more like the teeth of ancestors that lived millions of years ago. (kunc.org)
  • The "wisdom teeth," or last molars, are in man approaching a vestigial condition, since they generally do not appear until relatively late, between the ages of twenty and thirty years, and in many persons are never cut at all. (creation.com)
  • During the dry years two safari lodges, Meno a Kwena ("teeth of the crocodile") and Leroo la Tau ("lion's paws") became the saviors of the migration. (bushtracks.com)
  • Besides its size, this find is also significant because these crocodiles were believed to have died out in a mass extinction event between the Jurassic and Cretaceous periods about 150 million years ago. (listverse.com)
  • Ahead of us would lie many years of wrangling over the UK's future economic relationship, justice and security arrangements, fisheries, migration and much more. (snp.org)
  • The hemimandibles fuse to form a single bone by age 2 years. (medscape.com)
  • They then use their teeth to cut through the scales and skin to get to the host's blood and body fluid. (alaska.gov)
  • Very small sample sizes used to draw general conclusions. (rationalwiki.org)
  • In flight, it is crow-like and is often seen in small groups or flocks during migration. (earthlife.net)
  • 1 In the process, the jaw has became too small for the last teeth to erupt which are normally the third molars, often called wisdom teeth. (creation.com)
  • Nevertheless, several factors such as lack of controls, noncalibrated examiners, masked reference standards and small sample sizes among others, reduced the quality of relevant studies, so the conclusions of Mariotti's review must be carefully considered. (bvsalud.org)
  • The jack fish is a long, slender fish with a rounded snout and rows of sharp teeth that line its mouth. (safeharborfishing.com)
  • Researchers from the Smithsonian Tropical Research Institute (STRI) and colleagues tracked a female whale shark from the eastern Pacific to the western Indo-Pacific for 20,142 kilometers (more than 12,000 miles), the longest whale shark migration route ever recorded. (si.edu)
  • Whale sharks have been tracked for shorter distances along similar routes, but this report is the longest-recorded migration to date and the first evidence of a potential trans-Pacific route. (si.edu)
  • As the gingival fiber the inflammatory process the gingival cuff loses tone and comes away from the tooth surface so that a shallow pocket is formed breaks up bundles. (51lunwen.org)
  • They usually inhabit depths to 3,500 metres, although they have been seen at the surface at night, and are believed to make daily vertical migrations of up to 3,000 metres. (teara.govt.nz)
  • Dark spots on soft dorsal, caudal and anal fins of juveniles are so close that the pale interspaces form a white reticulum. (mnhn.fr)
  • They are sought after for their fins and meat, for their teeth (used for crafts and sold to tourists) and for cartilage and oil with purported medicinal value. (si.edu)
  • To do so, they used geochemical techniques to analyze the carbon and oxygen isotopes in their teeth. (iflscience.com)
  • As they evolved, some of their physical traits became more like those of modern humans - some of the teeth, for example. (kunc.org)
  • The fossil teeth are a way to study the traits of past peoples," Hagelberg said, "and help balance the work being done on the genes of people alive today. (ex-christian.net)
  • The result: There's no longer room in most of our mouths to house 32 teeth. (creation.com)
  • And their teeth alone were roughly the same size as a human hand. (iflscience.com)
  • As Stelle sees it, the ability to turn off South Delta pumps during migration and draw water instead from new pumps roughly 45 miles north would improve life for both the fish and the water exporters. (hcn.org)
  • What they found is that European teeth were more similar to Asian teeth than they were to African teeth. (ex-christian.net)
  • The items "clawed fingers", "presence of teeth" and "exaggerated shoulders in the human figure" were found to be potentially capable of identifying aggression in the sample, corroborating the findings in the literature. (bvsalud.org)
  • Copies of all pertinent study materials (tracing materials, questionnaires, authorization forms, and health facility data collection forms) can be found in Appendix VI of the Plan and Operation of the NHANES I Epidemiologic Followup Study 1982-84. (cdc.gov)
  • To set the scene - Makgadikgadi Pans National Park (pronounced \mä-ˌkä-dē-ˈkä-dē\) covers about one third of the 12,000 square kilometer saltpans which together form a vast expanse of pan and fringing grassland in the middle of the arid Kalahari Basin. (bushtracks.com)
  • Recent Rhizopoda (16 forms identified) were studied by Pateff (1926), aquatic invertebrates by Schellenberg (1932, 1935) and Chiroptera by Seidel (1927). (palaeo-electronica.org)
  • The body shape and coloration of individual rainbow trout can change based on their environment, resulting in a freshwater form and a saltwater form. (wired2fish.com)
  • These plates are separated by approximately 1.3 inch (6 to 10 mm ) inside the mouth, where their fringes overlap to form an effective screen. (malarrimo.com)
  • 11 , 12 , 13 The result is the common assumption that most humans do not have enough room in their mouth for wisdom teeth which lack a function and only cause us much health trouble. (creation.com)
  • Methods: Planed human tooth roots were treated with saline solution, EDTA, TTC and their combination (EDTA followed by TTC and TTC before EDTA). (bvsalud.org)
  • Metamorphosis of Pacific lamprey from larval to juvenile life stage occurs gradually over time as juvenile lamprey develop eyes, teeth, and the ability to swim freely. (alaska.gov)
  • Once enough individual slime mold slugs have congregated, they fuse together to reproduce, with different individual slime slugs taking on different roles in the reproductive process, together forming a single stalked spore producing structure. (vtecostudies.org)
  • They sunk holes and pumped water to form pools in the otherwise dry riverbed in front of the lodges. (bushtracks.com)
  • In fact, he argued, properly operated new intakes -- scaled down to the size that his scientists believe are safe -- might actually help Delta smelt, salmon and steelhead. (hcn.org)
  • At times removal is required, but appropriate efforts to deal with problem teeth should be implemented before resorting to their extraction. (creation.com)