Sentences with phrase «jaw bones in»

It's relatively common for a given gene to dictate a variety of functions from species to species, like the gene that codes for jaw bones in reptiles and also ear bones in humans.

Not exact matches

In reptiles, both today and in the past, the jaw joint lies between the articular bone at the back of the lower jaw, and the quadrate bone in the skulIn reptiles, both today and in the past, the jaw joint lies between the articular bone at the back of the lower jaw, and the quadrate bone in the skulin the past, the jaw joint lies between the articular bone at the back of the lower jaw, and the quadrate bone in the skulin the skull.
Thanks to a therapist who «readjusted the jaw and did all the skull bones,» says Marion, Torah was back on the snow in a week.
Paul said «Initially, the bone just looked like a piece of rock but, after recognising a groove and bone structure, I thought it might be part of a jaw from an ichthyosaur and immediately contacted ichthyosaur experts Dean Lomax (University of Manchester) and Prof. Judy Massare (SUNY College at Brockport, NY, USA) who expressed interest in studying the specimen.
«As the specimen is represented only by a large piece of jaw, it is difficult to provide a size estimate, but by using a simple scaling factor and comparing the same bone in S. sikanniensis, the Lilstock specimen is about 25 % larger.
Bioengineer David Kaplan at Tufts University's Department of Biomedical Engineering, who had no role in these findings, calls the work «fantastic» and adds future research might want the bioreactor to mimic the same range of mechanical forces this bone will see if implanted — for instance, for the jaw joint, «you'd want it to experience compression and torsion.»
The fossil jaw bone (above), found in 2000 by a trawler in the North Sea, is extremely rare — and puzzling.
These cells orchestrate the development of the jaws and other facial bones as well as the heart and its major vessels in a growing embryo, says Benner.
For example, in snake skulls, a bone called the quadrate is elongated, which allows snakes to open their jaws very wide.
According to Shimada, one pair of bones called hyomandibulae formed a massive oar - shaped lever to protrude and swing the jaws open extra wide, like a parachute, in order to receive more plankton - rich water into its mouth, similar to the way many sharks open their mouth.
Dr Nick Longrich, from the Milner Centre for Evolution based in the University of Bath's Department of Biology & Biochemistry, studied one of these rare fossils, a fragment of a jaw bone kept in the Peabody Museum at Yale University.
This backs up a 2013 study that showed that several traits thought to be unique to bony fish, such as the presence of large platelike bones, were in fact present in placoderms, an extinct group of jawed fish related to the ancestor of both cartilaginous and bony fish.
In the treated chick embryos, the palate looked more like it does in other vertebrates: flat and seemingly reconnected to the jaw boneIn the treated chick embryos, the palate looked more like it does in other vertebrates: flat and seemingly reconnected to the jaw bonein other vertebrates: flat and seemingly reconnected to the jaw bones.
The word anam means lake in a Kenyan dialect; the fossils — including some teeth, parts of the upper and lower jaws, an arm bone, and these two pieces of a shinbone — were found near Lake Turkana in northern Kenya.
That year, a sand mine worker in Germany discovered the jaw bone of Homo heidelbergensis — a 200,000 - to -600,000-year-old hominin now recognized as a likely common ancestor to both modern humans and Neandertals.
And a bony strut that connects a fish's jaw hinge to the brain case became one of three tiny bones in this chamber.
Because development often reprises stages of evolution, the growth of embryonic ears in tandem with the jaw is no accident: the sound - transmitting middle ear bones that are a distinguishing feature of mammals evolved from what used to be gill arches in fish and jawbones in reptiles.
Another distinct characteristic of the Hog - nosed rat is that it lacks a jaw muscle attachment point found in most mammals called the coronoid process on the dentary bone.
That feature allows the bones to rotate, broadening the lower jaw and thereby increasing the volume of seawater that can be taken in a single gulp.
Using advanced facial and cranial biomechanical analyses with nearly 40 people whose measurements were plotted from toddlers to adults, the UI team concludes mechanical forces, including chewing, appear incapable of producing the resistance needed for new bone to be created in the lower mandible, or jaw area.
Moreover, the bones in the front part of a baleen whale's lower jaw, or mandible, aren't fused as they are in other mammals.
The idea is, a patient would come in with a nasty broken bone — say, a shattered jaw — and instead of going through painful autograft surgeries or waiting for a custom scaffold to be manufactured, he or she could be x-rayed and a 3D - printed hyperelastic bone scaffold could be printed that same day.
«They had pretty much the same features as mammals — for instance they were most likely warm - blooded — but taxonomically speaking they were reptiles, because in their jaws they still had a bone that in mammals is used for hearing.»
The specimen itself — a nearly complete skull, two portions of the jaw, and a handful of teeth — can't be dated directly because it wasn't found in the kind of sediment that allows radioactive dating; however, Brunet was able to come up with an age by comparing the bones with those found at similar sites in Kenya and Ethiopia.
Robert Cohen and his team at the State University of New York, Buffalo, have succeeded in grafting the treated cattle bone onto the jaws of rats without provoking their immune systems to reject the foreign tissue.
Comparing volume and activity of the cells that break down bone density in the upper and lower jaw bones of Medaka fish after 56 days spent aboard the International Space Station with those on the ground.
Additional side effects of the drug include osteoporosis, a condition in which bones become weak and brittle; akathisia, a disorder characterized by the need to be in constant motion, including the head and jaw; bruxism, or teeth grinding; and dryness of the mouth, all of which affect the implant healing process, says Bairam.
«A mouthful of knife - edged teeth set in powerful jaws would have made short work of potential prey, carving out huge chunks of flesh and bone to swallow hole,» Sertich continued.
Known only through isolated teeth, haramiyids were largely mysterious until the discovery of the remarkably well - preserved jaw of Haramiyavia — with intact molars, nearly complete mandibles and postcranial skeletal bonesin Greenland in 1995 by a team including Shubin, Stephen Gatesy, professor of biology at Brown University, and the late Farish Jenkins, former professor of zoology at Harvard University.
Parts of its jaw bone and teeth were found nine years ago in the Djurab desert in Chad.
The left dentary, or lower jaw bone, of the new titanosaurian dinosaur Mansourasaurus shahinae as it was found in rock of the Upper Cretaceous - aged (approximately 80 million - year - old) Quseir Formation of the Dakhla Oasis, Egypt.
«We compared it with these Aust bones, and as soon as I saw it in person, my jaw just hit the floor,» said Lomax, referring to the bones dug in a village in Gloucestershire, England.
A decline in bone density also becomes apparent at this age around the jaw and eye area however Colman says that these, «obvious areas of volume loss can be maintained through fillers.»
The researchers explained that prescription bone - building drugs are costly, and most have side effects, which ironically include an increase in hip fractures and jaw necrosis.
Other potential risk factors include large tonsils, a small jaw bone, a large tongue and having sleep apnea in the family.
In a phytate - rich diet, their bodies will suffer from the lack of calcium and phosphorus with poor bone growth, short stature, rickets, narrow jaws and tooth decay; and for the lack of zinc and iron with anemia and mental retardation.
TMJ means Temporomandibular Joint, which is the joint where your lower jaw connects to your facial bones just in front of the ear.
Physiotherapy treatment for TMJ Disorders includes postural examination and correction, and may include a combination of manual therapy to the chewing / biting muscles and those in the neck and covering the head, mobilization of the facial bones, jaw and neck, acupuncture as tolerated, electrical stimulation, and therapeutic exercises.
When it is necessary to extract teeth, do so in such a way as to avoid leaving the jaw bone with cavitations, which can become focal points of infection.
Such side effects include stomach ulcers and osteoneocrosis, or death of the jaw bone, resulting in tooth loss, pain and infection.
After applying foundation, I always contour my face with some bronzer to add color and dimension back in (I make an «E» starting at my forehead, hitting my cheek bones and finishing along my jaw line).
Dawn of the Dead: Packed with more blood, more gore, and more bone - chilling, jaw - dropping thrills, Dawn of the Dead: Unrated Director's Cut is the version too terrifying to be shown in theaters!
Surgery is possible may be advised if the abscess is in or under the skin; abscesses of the middle ear (causing balance problems), in the eyeball (causing blindness), in the mandible (jaw bone) or in the internal organs, are less easy to treat.
In miniaturizing the dog, we also created finer bone which thins and refines the jaw bone just as it does the leg bones.
Craniomandibular osteopathy is a noncancerous growth of bone that results in abnormalities in the jaw of dogs.
Bull Terriers have very powerful jaws and are able to chew off and swallow pieces of even the toughest bone, which may then cause problems when they cause a blockage in the digestive system.
Untreated periodontal disease can result in bone infections and jaw fractures.
Rabbit owners should be instructed to feed unlimited high - fiber foods.3, 5 Grass, a good - quality timothy hay, and fibrous, green, leafy vegetables are favorable foods that are high in fiber and encourage the grinding motions of the jaw that benefit attrition of the teeth.7 Rabbits require a diet that provides enough calcium for sufficient mineralization of their continually growing teeth and surrounding bone structures, but not so much calcium that urinary tract disease is a risk.5 The ideal amount of dietary calcium for a rabbit is 0.5 % to 1.0 %.5
Left untreated, periodontal disease results in the destruction of the gums, alveolar bone (the part of the jaws where the teeth arise), and the outer layer of the tooth root.
If you've seen a jaw bone (mandible) or the upper bone that holds teeth (maxilla), you noticed sockets in the bone.
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