(n.) The first vertebra of the neck, articulating immediately with the skull, thus sustaining the globe of the head, whence the name.
(n.) A collection of maps in a volume
(n.) A volume of plates illustrating any subject.
(n.) A work in which subjects are exhibited in a tabular from or arrangement; as, an historical atlas.
(n.) A large, square folio, resembling a volume of maps; -- called also atlas folio.
(n.) A drawing paper of large size. See under Paper, n.
(n.) A rich kind of satin manufactured in India.
Example Sentences:
(1) This section includes a description of the presentations on the pages, the use of color in the scans, and the use of certain advanced features of the ACTA-Scanner, the scanner used for the atlas.
(2) Students will use this computerized atlas interactively to learn the structure of the body and to understand their own bodies in health and disease.
(3) Familial occipitalization of the atlas with atlantalization of the axis was defined as a single congenital disease in Arabian horses following a clinical, radiologic, and morphologic study of 16 horses with congenital malformations of the occiput, atlas, and axis, and from a study of three reported cases.
(4) As for the liberals who are today pointing at an atlas and shrugging for the cameras, back then their parents were probably writing letters to the Times about the need for greater economic efficiency.
(5) From the survey of another 21 patients having bony abnormalities at the craniovertebral junction, the first type of arterial anomaly described above was seen in 4 patients and associated with failure of segmentation of the embryonic sclerotome such as occipitalization of the atlas or Klippel-Feil syndrome.
(6) The second, the normal tubercle for insertion of the transverse ligament of the atlas, may look like a separate ossicle or a chip fracture.
(7) The corresponding transformation is chosen so that the modified atlas agrees with a set of CT or NMR images of the patient.
(8) Rheumatoid arthritis, which produces anterior displacement of the atlas over the dens to more than 10 mm, neurologic symptoms, or untreatable pain must be stabilized by means of C1-C2 fusion.
(9) Anterior atlas clefts (AACs) are rare developmental variants that may mimic fractures.
(10) Fissures in the anterior arch of the atlas are rare.
(11) Conventional anatomical atlases provide rigid spatial distribution of internal structures extracted from a single subject.
(12) Modeling of polyline vertices established from gray scale contour mapping and atlas reconstructions further enhance the spatial understanding of relationships to midline structures.
(13) Various neurological manifestations secondary to exceptional atlo-occipital and sometimes axis-atlas subluxations and medullary lesions as well as syndromes of the cauda equina.
(14) Surgical treatment for cervical myelopathy in os odontoideum with posterior instability is suggested as follows: in the absence of canal stenosis of the atlas (Group IIIA), atlantoaxial fusion in a reduced position is indicated; when associated with canal stenosis of the atlas (Group IIIB), laminectomy of the atlas followed by occiput-to-C2 arthrodesis is indispensable.
(15) Serial sections of five brainstems from adults with no known neurological disorders were stained for Nissl substance, acetylcholinesterase, and substance P. The topography, cytoarchitecture, and acetylcholinesterase reactivity of the tegmental nuclei were presented in a mini-atlas depicting sections cut in transverse and sagittal planes.
(16) Films such as Cloud Atlas and were turned down for co-production, despite having significant elements designed to accommodate Chinese sensibilities, while Zhang was thought to be referring to Iron Man 3 with the "one or two shots" line.
(17) The structures examined included the lower cranial and upper spinal nerves, the caudal brain stem and rostral spinal cord, the vertebral artery and its branches, the veins and dural sinuses at the craniovertebral junction, and the ligaments and muscles uniting the atlas, axis, and occipital bone.
(18) Treatment of choice is a laminectomy of the dorsal arch of the atlas and an osteoclastic dilatation of the foramen magnum but without opening of the dura.
(19) The native atlas planes were spaced at 2 mm intervals, sufficient axial sampling to permit the generation of oblique planar sections through the atlas space.
(20) The frequency of two non-metric skeletal traits, atlas bridging and clinoid bridging, were examined serially in a randomly chosen sample of 147 families who participated in the Burlington Growth Study.
Vertebra
Definition:
(n.) One of the serial segments of the spinal column.
(n.) One of the central ossicles in each joint of the arms of an ophiuran.
Example Sentences:
(1) It is concluded that during exposure to simulated microgravity early signs of osteoporosis occur in the tibial spongiosa and that changes in the spongy matter of tubular bones and vertebrae are similar and systemic.
(2) It is suggested that the Japanese may have lower trabecular bone mineral density than Caucasians but may also have a lower threshold for fracture of the vertebrae.
(3) The various changes were accompanied by a marked reduction in the overall wet weight of the vertebrae.
(4) The BMD of the 2nd to 4th lumbar vertebrae was measured and the mean density presented as g cm-2.
(5) All the vertebrae were agenetic below the thoracic segments in the other rat fetus.
(6) Neusticosaurus species are easiest separated by their number of presacral vertebrae.
(7) This was followed by a gradual density increase such that by 1 year postoperatively, in 60% of the subjects, the density of these vertebrae was higher than the preoperative level.
(8) The characteristic injuries were compression wedge-shaped fractures, multiple fractures of the vertebrae, comminuted and traumatic spondylolistheses and dislocation fractures.
(9) They make it possible to dissect, by spending minimal time and making less efforts, the vertebral canal both within several vertebrae and its nearly full length, providing a wide view of the spinal cord, rootlets, and intervertebral ganglia.
(10) The Authors describe the moniliform structure of dorsal aorta of the Cyprinus carpio L., which has successive swellings and constrictions, strictly corresponding to each vertebra.
(11) He also had multiple follicular and papillary thyroid carcinomas with a metastatic lesion in the lumbar vertebrae.
(12) In older children, there were a low vertebral signal and disappearance of the disc-vertebra borders on T1-weighted images and a high vertebral signal with a decreased and flattened disc signal on T2-weighted images.
(13) Hyperthermia was applied in the region of the vertebral column between the cervical vertebrae 5 and thoracic 2, using a ring-shaped applicator operating at a microwave frequency of 434 MHz.
(14) The authors report on their experience with 23 patients with destructive disease of the vertebrae.
(15) In 20 patients, vertebral deformities were limited to 1 or 2 mid-thoracic vertebrae, and the mean CaBI values for these 20 patients was 0.81 (0.15), equal to that for patients without any vertebral deformity.
(16) Both conditions are inherited and characterised by malformed thoracic and lumbar vertebrae.
(17) The injured vertebra is grafted through the pedicle, giving security against late collapse after device removal.
(18) The authors describe two types of pelvic obliquity--total pelvic obliquity in which the sacrum is the lowest vertebra of the lumbar curve and subtotal pelvic obliquity in which there is some compensation between L5 and the sacrum.
(19) Although anterior and posterior traumatic displacement of cervical vertebrae are commonly noted, and the devastating neurological deficits associated with these injuries have been amply defined, lateral displacement with fractures has been rarely recognized, and the clinical significance of this injury has been overlooked.
(20) The T-1 nerve root obstructs posterolateral access to the T-1 vertebra, necessitating an inferolateral approach underneath the T-1 nerve root axilla.