The lower mandible actually curves slightly up, which likely gives it the strength it needs to hold the tool.
«Unfortunately, there are very few fossil finds of Gigantopithecus — only a few large teeth and bones from
the lower mandible are known,» explains Prof. Dr. Hervé Bocherens of the Senckenberg Center for Human Evolution and Palaeoenvironment (HEP) at the University of Tübingen, and he continues, «But now, we were able to shed a little light on the obscure history of this primate.»
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.
It's usually fit onto a fish's
lower mandible.
Not exact matches
Male horned beetles have enlarged
lower jaws — or
mandibles — used to fight rivals, and those with larger
mandibles do have a mating advantage when there is direct male - male competition.
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 shape and canals look similar to the
mandible in skimmers — birds that glide their
lower jaw along the ocean's surface to pick up small fish.
The Ledi - Geraru fossil preserves the left side of the
lower jaw, or
mandible, along with five teeth.
It is a campaign to encourage veterinarians and pet owners to «Flip the Lip» of their pets and look for abnormalities in the mouth, whether it be periodontal disease, fractured teeth, oral tumors, orthodontic misalignment of teeth, fractured maxillas (upper jaws), fractured
mandibles (
lower jaws), sympysis separations, especially in cats (left and right mandibular separation), gingivitis, stomatitis and tooth resorptive lesion.
Signs & Symptoms Oral SCC in cats are typically large, invasive and often ulcerated tumors that occur anywhere in the mouth, including under the tongue, the palate (roof of the mouth), the upper jaw (maxilla) and
lower jaw (
mandible).
For some tumors, particularly those located in the front of the
lower jaw (
mandible), advanced imaging with computed tomography (a CT scan) may be recommended.
During extraction of the ninth tooth, the
lower left molar, the dog's
mandible was fractured.
Cats with small tumors located on the
lower jaw (
mandible) that are treated with surgery have a better chance of surviving for one year; however, most will still eventually succumb to the disease.
Radiographs showed changes consistent with craniomandubular osteopathy, a congenital disorder common in the Westie breed, that is an excessive and abnormal bone growth on the skull (cranium) and
lower jaw (
mandible) causing pain and discomfort.
Another possibility is a fracture of the
lower jaw (
mandible.)
By the time your dog is an adult the average normal adult dog will have approximately 42 permanent teeth with 20 upper (maxilla) and 22
lower (
mandible).
The standard calls for an undershot jaw, with the
lower jaw (
mandible) being more pronounced.
SCC of the maxilla (upper jaw) or
mandible (
lower jaw) in dogs is typically a locally invasive disease with a
low metastatic rate.
Oral Osteosarcoma — Oral osteosarcoma is a malignant cancer of the bone, and, when found in dogs and cats can affect the bones of the skull, including the
mandible and the maxilla (the
lower and upper jaws).
If the upper jaw (maxilla) is longer than the
lower jaw (
mandible) the dog will have an «overbite.»
In order of frequency the disease is found in the front legs, hind legs, ribs and
lower jaw (canine
mandible).