• On the contrary, when the first link, the Atlas vertebra, is twisted, each link down to the last turns, thereby disrupting the rest of the chain. (positivehealth.com)
  • Flat cranial bone fusing especially to the parietal bone and atlas (first cervical vertebra) during the growth years. (ikonet.com)
  • The first cervical vertebra. (bvsalud.org)
  • Frequently, disk degeneration occurs at the level of the C-1 vertebra, also called the Atlas vertebra. (bergenchiropractic.com)
  • The Atlas vertebra is the base upon which our head sits. (bergenchiropractic.com)
  • Specific brain centers responsible for muscle control are found in the proximity of the Atlas vertebra. (bergenchiropractic.com)
  • Patients suffering from Atlas misalignment (i.e., the C-1 vertebra being slightly out of place), even if they don't report any neck pain, are at risk of developing symptoms such as dizziness, vertigo, and hypertension. (bergenchiropractic.com)
  • Atlas adjustments consist of realigning the C-1 vertebra. (bergenchiropractic.com)
  • During Atlas adjustments, chiropractors use their hands to gently manipulate the troublesome vertebra to get it back into its designated place. (bergenchiropractic.com)
  • Cervical Vertebra. (co.ma)
  • Szawlowski records the presence of an independent rib element in the transverse process of the fourth cervical vertebra. (co.ma)
  • Seventh Cervical Vertebra. (co.ma)
  • p. 65) has described a first thoracic vertebra, in which a bony process, arising from the front of the root of the transverse process, curves forwards and medially so as almost to enclose a foramen like that of the cervical vertebrae. (co.ma)
  • Recent trends like pedicle screws and other instrumentation of cervical vertebra are on the rise. (ijmhr.org)
  • Radiological studies of atlas vertebra & VAG are being extensively done with CT and MR Angiography, but morphometric studies of VAG in atlas vertebra in South Indian population is lacking. (ijmhr.org)
  • To understand the morphology and dimensions of the vertebral artery groove and its variations if any, in dry atlas vertebra of South Indian population. (ijmhr.org)
  • 50 dried adult human atlas vertebra of unknown age & sex from the Anatomy Department, PSGIMS & R, Coimbatorewere studied. (ijmhr.org)
  • The axis, also known as C2, is the second cervical vertebra and is located between the atlas (C1) and C3. (healthliteracyhub.com)
  • SK202 Employing 19 colors to distinguish the various bony plates which make up the human skull, this special didactic edition of our Classic Skull has been flexibly mounted atop the cervical spine whose atlas, axis and seventh vertebra have been color-coded as well. (denoyer.com)
  • The first vertebra C1 or atlas articulates with the two occipital condyles of the skull allows the maximum movement of the neck. (vedantu.com)
  • It forms the lateral and posterior aspects of each vertebra. (vedantu.com)
  • Atlas: This is the first cervical vertebra (C1). (englishlib.org)
  • It has no body and leaves a space to accommodate the dens of the second cervical vertebra. (englishlib.org)
  • Axis: This is the second cervical vertebra (C2). (englishlib.org)
  • The Atlas vertebrae (C1) located at the base of the skull at the opening of the spinal canal, is the neuralgic point of the entire system. (positivehealth.com)
  • The vertebrae underlying the misaligned atlas assumed an incorrect position as a result. (positivehealth.com)
  • Misaligned vertebrae in the upper cervical region, especially Atlas misalignment, frequently come with vertigo or dizziness. (bergenchiropractic.com)
  • The cervical is the upper part of the spine, made up of seven vertebrae (bones). (avazo.com)
  • Intact cervical vertebrae without any degenerative or traumatic disorders were included. (ijmhr.org)
  • It is characterized by a distinct cassowary-like crest on the skull, no pleurocoels on the centra from the second through fourth cervical vertebrae, a neck twice as long as the dorsal vertebral column and slightly longer than the forelimb (including the manus). (researchgate.net)
  • Imaging examination, including plain X-ray, computerized tomography (CT) scanning, and magnetic resonance imaging (MRI), revealed severe atlantoaxial dislocation with multi-segmental vertebrae fusion of the cervical and thoracic spine. (biomedcentral.com)
  • Each part of the spine is made up of an individual bone called vertebrae, there are 7 cervical vertebrae, 12 thoracic vertebrae, and 5 lumbar vertebrae. (vedantu.com)
  • The bones of the spine are named according to their location like cervical vertebrae are named as C1, C2, C3, etc. (vedantu.com)
  • The first 7 vertebrae from C1 to C7 is known as the cervical region. (vedantu.com)
  • After the cervical bone 12 vertebrae from T1 to T12 are known as the thoracic region. (vedantu.com)
  • There are 12 pairs of rib bones that articulate with the thoracic vertebrae on the posterior side. (vedantu.com)
  • Cervical vertebrae: There are seven cervical vertebrae of which the first two are atypical. (englishlib.org)
  • All cervical vertebrae have openings in their transverse processes, the foramina transversaria which, when aligned, produce a canal that transmits the vertbral artery and vein. (englishlib.org)
  • Starting between the base of the skull and the first cervical vertebrae, and continuing into the sacral region of the spinal column, a pair of spinal nerves extend from the spinal cord (although information is transmitted in both directions on sensory and motor neurons within these mixed nerves). (solverytic.com)
  • Craniocervical junction abnormalities are congenital or acquired abnormalities of the occipital bone, foramen magnum, or first two cervical vertebrae that decrease the space for the lower brain stem and cervical cord. (msdmanuals.com)
  • It emerges between the posterior arch of the atlas and the lamina of the axis, below the Obliquus capitis inferior. (wikipedia.org)
  • Atlantoaxial instability (AAI) is characterized by excessive movement at the junction between the atlas (C1) and axis (C2) as a result of either a bony or a ligamentous abnormality. (medscape.com)
  • 1. Cervical myelopathy caused by atlas osteochondroma and pseudoarthrosis between the osteochondroma and lamina of the axis: case report. (nih.gov)
  • 2. Cervical myelopathy caused by pseudoarthrosis between posterior arch of the atlas and lamina of the axis in Klippel-Feil syndrome: a case report. (nih.gov)
  • 3. Cervical myelopathy caused by pseudoarthrosis between the atlas and axis associated with diffuse idiopathic skeletal hyperostosis. (nih.gov)
  • 9. Cervical myelopathy associated with congenital C2/3 canal stenosis and deficiencies of the posterior arch of the atlas and laminae of the axis: case report and review of the literature. (nih.gov)
  • Anterior portions of the atlas and axis have been removed to expose the spinal cord. (neurosurgicalatlas.com)
  • Injuries of the atlas and axis. (wheelessonline.com)
  • The axis also has two superior articular facets that articulates with the atlas, and two lateral transverse processes containing triangular foramina for the passage of the vertebral veins, arteries and nerves to the brain. (healthliteracyhub.com)
  • Along with the atlas (C1), the axis is responsible for enabling rotation of the head, and flexion, extension and lateral flexion of the head. (healthliteracyhub.com)
  • This cervical spine anatomy model with muscles includes the brain stem and occipital bone as well as atlas and axis through to C7. (mentone-educational.com.au)
  • Atlantoaxial rotatory subluxation is caused by a loss of ligamentous stability between the atlas and axis. (contemporarypediatrics.com)
  • Thus there is a colinear sequence between the genes on the chromosome and the structures along the anterior-posterior axis of the body that they affect (Graham, Papalopulu and Krumlauf, 1989. (ncse.ngo)
  • Atlas nedre leddfasetter er konvekse mot Axis sine to konvekse superiore fasetter på den laterale masse. (bodyexamination.no)
  • The National Football Head and Neck Injury Registry contains data on cervical spine injuries as a result of participation in football. (medscape.com)
  • They return blood from the head and neck, the upper extremities, the upper part of the posterior wall of the thorax, the anterior wall of the thorax, and the upper part of the anterior wall of the abdomen. (co.ma)
  • These postural distortions can have devastating effects on spinal joints, particularly the joints of the low neck (cervical spine) and upper back (thoracic spine). (drmichaelpoundonline.com)
  • Cervical facet joint, one of the potential sources of spinal and extremity pain, is susceptible to arthritic changes, degenerative process, inflammation, and injury and all of which will lead to painful event upon movement and restriction in range of neck motion. (heraldopenaccess.us)
  • We herein report a case with neck discomfort after surgery due to prior degeneration of cervical facet joint, rather than the operative procedure or internal fixator fixed in neck. (heraldopenaccess.us)
  • Triangles of the neck: The neck is divided into a posterior and an arterior triangle by the sternocleidomasto-id muscle. (englishlib.org)
  • Cervical degenerative disc disease is a common cause of neck pain and radiating arm pain. (paloaltospinemed.com)
  • To present our surgical experience in occipito-cervical fixation using both lateral mass screws and subaxial cervical pedicle screws in different cases. (heraldopenaccess.us)
  • The patients investigated by standard plain X ray cervical spine, CT scan and MRI cervical spine pre-operatively, and they operated thorough posterior occipito-cervical fixation rod system utilizing lateral mass screws in majority of cases and pedicle screws in some others. (heraldopenaccess.us)
  • Posterior occipito-cervical fixation when indicated can be done by various techniques. (heraldopenaccess.us)
  • A filament from the branch to the Obliquus capitis inferior joins the posterior division of the second cervical nerve. (wikipedia.org)
  • In addition to the veins by the union of which it is formed, the right innominate vein receives the right vertebral and internal mammary veins, the first right posterior intercostal vein, and sometimes the right inferior thyreoid vein. (co.ma)
  • the posterior comprises the inferior articular processes, the laminæ, and the spine. (co.ma)
  • Secondary ossification centres can also appear at the superior and inferior aspects of the cervical vertebral bodies and remain unfused until early adulthood. (physio-pedia.com)
  • The spine itself has three main segments: the cervical spine, the thoracic spine, and the lumbar spine. (avazo.com)
  • Usually, the human spine anatomy is described by dividing it into three major parts: cervical, thoracic, and lumbar spine. (vedantu.com)
  • internal fixation techniques include posterior oblique wiring, which resists rotational forces, & screw fixation of C-2 posterior elements to the C-2 body. (wheelessonline.com)
  • Plain films of cervical spine after surgical internal fixation. (heraldopenaccess.us)
  • The posterior division of the first cervical or suboccipital nerve is larger than the anterior division, and emerges above the posterior arch of the atlas and beneath the vertebral artery. (wikipedia.org)
  • The posterior division of the suboccipital, and the medial branches of the posterior division of the second and third cervical nerves are sometimes joined by communicating loops to form the posterior cervical plexus. (wikipedia.org)
  • a - c Excision of the posterior fossa lesion through suboccipital craniectomy, the lesion was pearly white with hair inside. (biomedcentral.com)
  • Failure to properly recognize and provide early care in cervical spine fracture cases may lead to devastating complications. (medscape.com)
  • We retrospectively evaluated 53 consecutive patients with unstable atlas fracture who underwent halo-vest immobilization (HVI) or surgical fixation. (e-neurospine.org)
  • Atlas fracture is rare and accounts for 1.3% to 2% of all spinal injuries and 2% to 13% of all cervical spine fractures [ 1 , 2 ]. (e-neurospine.org)
  • He was sent to our ER, where multiple injuries were noted, including fractures of orbital floor, metatarsal bones, right 4th metatarsal bone, left ulna and left distal radius, and most important, closed fracture of atlas (C1) spine, shown as Computed Tomography (CT) scan in (Figure 1a-1e). (heraldopenaccess.us)
  • Conventional cervical spine plain films miss between 50- 93% of occipital condyle fractures, which are also the most common cervical spine fracture missed by radiology residents. (heraldopenaccess.us)
  • The Neurosurgical Atlas collection presents the nuances of technique for complex cranial and spinal cord operations. (neurosurgicalatlas.com)
  • On the other hand, the posterior belly is innervated by the marginal mandibular branches of the facial nerve (cranial nerve 7). (goconqr.com)
  • Cases with combinations of the abovementioned dislocations and deformities with posterior cranial fossa teratoma are rare in the clinic and difficult to handle. (biomedcentral.com)
  • This case presents a 34-year-old woman diagnosed with atlantoaxial dislocation and posterior cranial fossa mass. (biomedcentral.com)
  • After two surgeries, the posterior cranial teratoma was completely removed with satisfactory atlantoaxial reduction. (biomedcentral.com)
  • The surgical risk of irreducible atlantoaxial dislocation combined with posterior cranial fossa tumor is huge. (biomedcentral.com)
  • Complex craniocervical malformations are not uncommon in clinical practice, but reports of combined posterior cranial fossa tumors are rare. (biomedcentral.com)
  • Additionally, the mass in the posterior cranial fossa was considered a congenital tumor based on the characteristics of the image presented in Fig. 1 . (biomedcentral.com)
  • Resection of the posterior cranial fossa tumor and occipitocervical fixation and fusion were simultaneously performed from a single posterior approach. (biomedcentral.com)
  • A near-total excision of the lesion was done from the small window craniectomy on both sides of the posterior cranial fossa. (biomedcentral.com)
  • For these reasons, we decided to look at the mechanics of the occipital bone and the adjacent atlas and bones of the cranial base, in relation to functional plagiocephaly. (londonspine.com)
  • Also present are the spinal cord, cervical spinal nerves, vertebral arteries, and after lifting off the calvaria, the medulla, basilar artery and posterior cerebral arteries will be located within the cranial chamber. (denoyer.com)
  • Its contents include the following: CN XI is the cranial nerve that supplies motor innervation to the tra-pezius and sternocleidomastoid muscles Cutaneous branches of the cervical plexus are the lesser occipital, great auricular, transverse cervical, and supaclavicular nerves. (englishlib.org)
  • The foramen arcuale is infrequently found and is potentially a clinically/surgically significant anatomical variation of the atlas. (utmb.edu)
  • When present, the vertebral artery travels through this bony ring after exiting the transverse foramen of the atlas and prior to entering the cranium. (utmb.edu)
  • Allen has noticed the articulation of the superior border of the posterior arch with the posterior border of the foramen magnum. (co.ma)
  • The foramen transversarium is not infrequently incomplete, owing to the imperfect ossification of the posterior root of the transverse process. (co.ma)
  • The anterior and posterior atlanto-occipital membranes extend from the upper aspect of C1 to the anterior and posterior aspects of the foramen magnum. (physio-pedia.com)
  • The tectorial membrane is the superior extension of the posterior longitudinal ligament and attaches to the anterolateral aspect of the foramen magnum. (physio-pedia.com)
  • Hodet med de 2 konvekse occiput kondylene lateralt for foramen magnum hviler på atlas øvre konkave leddfasetter som i en krybbe. (bodyexamination.no)
  • impaired epiphyseal bone growth, resulting in shortened, malformed bones) sometimes causes the foramen magnum to narrow or fuse with the atlas and thus may compress the spinal cord or brain stem. (msdmanuals.com)
  • In many studies, the clinical utility, safety, and effectiveness of hook-and-screw-rod and screw-and-rod instrumentation for posterior craniocervical fixation were evaluated. (heraldopenaccess.us)
  • The posterior branches of cervical nerves branch from the dorsal rami of the cervical nerves. (wikipedia.org)
  • The posterior divisions of the lower five cervical nerves divide into medial and lateral branches. (wikipedia.org)
  • Diagram of the distribution of the cutaneous branches of the posterior divisions of the spinal nerves. (wikipedia.org)
  • Arising from the anterolateral surface of the cord are anterior rootlets and roots of cervical spinal nerves. (neurosurgicalatlas.com)
  • The first image shows the different segments of the spinal cord (cervical, thoracic, lumbar, sacral and coccygeal segments), the emergence of spinal nerves (cervical, thoracic, lumbar and sacral nerves and coccyx at the level of the cauda equina and filum terminale) and the sectional aspect of the spinal cord with changes in diameter at the cervical and lumbosacral bulges. (solverytic.com)
  • Several posterior rootlets merge together to form the posterior root, while several anterior rootlets similarly converge to form the anterior root. (solverytic.com)
  • A CT scan of the cervical spine shows atlantoaxial subluxation. (contemporarypediatrics.com)
  • Findings related to occipitoatlantal translation, lateral atlas displacement, or atlantoaxial translation can raise suspicions of instability [5]. (heraldopenaccess.us)
  • The ADI is the distance between the odontoid process and the posterior border of the anterior arch of the atlas. (medscape.com)
  • Symptomatic AAI occurs when subluxation or dislocation causes the odontoid process, or posterior arch of the atlas, to impinge on the spinal cord and cause neurologic manifestations. (medscape.com)
  • the spinal cord is compressed between the pannus anteriorly and the posterior arch of the atlas. (medscape.com)
  • The pinched nerve can occur at different areas along the spine (cervical, thoracic or lumbar). (paloaltospinemed.com)
  • This video will describe what cervical disc herniation is and how it causes pain. (paloaltospinemed.com)
  • The simultaneous occurrence of fully developed lateral and posterior ponticuli resulting in encasement of the third part (atlanta/segment) of the vertebral artery appears to be very rare. (utmb.edu)
  • Therefore, these injuries are typically treated with posterior C1-2 fusion. (medscape.com)
  • The incidence of cervical spine injuries increased until 1976. (medscape.com)
  • Diving is often cited as another significant cause of cervical spine injuries. (medscape.com)
  • Leonard et al studied 540 children with cervical spine injuries and found that while motor vehicle crashes accounted for the most common injury in the axial region for children 2 and 2 to 7 years old, sports accounted for as many injuries as motor vehicle crashes (53% being subaxial) in children 8 to 15 years old. (medscape.com)
  • The present study provides morphometric data of VAG & recommends a safe zone of 11.82 mm from midline for instrumentation in posterior spinal surgeries to minimize vertebral artery injuries. (ijmhr.org)
  • Vertebral artery injuries in cervical spine surgery. (ijmhr.org)
  • Cervical spine injuries in children usually occur in the upper cervical spine from the occiput to C3. (physio-pedia.com)
  • Dislocation injuries at occipito-cervical region are relatively rare and represent roughly 1% of all injuries involving the cervical spine [3]. (heraldopenaccess.us)
  • Cases of partial or complete fusion of the atlas with the occipital bone are not uncommon (see p. 278). (co.ma)
  • Cervical spine model with muscles showing the brain stem, occipital bone, first and second ribs and a herniated disc. (mentone-educational.com.au)
  • We used screw rod system in posterior cranio-cervical fixation with iliac bone graft and or bone substitutes utilizing lateral mass screws in majority of cases and subaxial pedicle screws in some cases without operative or post-operative complications. (heraldopenaccess.us)
  • It is covered anteriorly, in the greater part of its extent, by the sternohyoid and sterno-thyreoid muscles, but at its right extremity it is slightly overlapped by the right pleura, and in the median plane the remains of the thymus intervene between it and the posterior surface of the sternum. (co.ma)
  • no reduction existed by applying posterior thumb pressure, by anteriorly compressing the C2 spinous process [ 1 ]. (biomedcentral.com)
  • CONCLUSION: We found a significant correlation between the lateral strain pattern of the spheno-occipital synchondrosis and plagiocephaly and between rotational dysfunction of the occiput upon the atlas and the side of posterior plagiocephaly. (londonspine.com)
  • Funn av økt mobilitet i øvre cervical kan være et alvorlig funn særlig mellom occiput og atlas. (bodyexamination.no)
  • Relativt må da occiput heve seg opp fra atlas. (bodyexamination.no)
  • Occipito-cervical junction anatomy has an exceptionally solid ligamentous connection between occiput (C0), C1 and C2. (heraldopenaccess.us)
  • The white matter is subdivided into dorsal (or posterior), lateral, and ventral (or anterior) columns. (solverytic.com)
  • This fact may be explained by the unique biomechanics and anatomy of the paediatric cervical spine. (physio-pedia.com)
  • This cervical spine model with muscles is ideal for teaching patients and students about the cervical spine and associated anatomy. (mentone-educational.com.au)
  • This atlas of human anatomy describes the spinal cord through 18 anatomical diagrams with 270 anatomical structures labeled. (solverytic.com)
  • Surgical management of cervical spine RA is indicated when it results in symptoms from biomechanical instability or a neurologic deficit. (medscape.com)
  • See commentary "Commentary on "Surgical Versus Conservative Management for Treating Unstable Atlas Fractures: A Multicenter Study"" in Volume 19 on page 1026. (e-neurospine.org)
  • This multicenter study compared radiological parameters and clinical outcomes between surgical and nonsurgical management and investigated treatment characteristics associated with the successful management of unstable atlas fractures. (e-neurospine.org)
  • Stabilization by surgical reduction with interconnected fixation proved to be a more practical management strategy than nonoperative treatment for unstable atlas fractures. (e-neurospine.org)
  • If nonunion persists, surgical posterior fusion is indicated. (introductiontoradiology.net)
  • There is no superior definite method for occipito-cervical fusion in case of an unstable Cranio Cervical Junction (CCJ) almost all are controversial since the immediate desired rigid stabilization increasing surgical complexity and risk [8]. (heraldopenaccess.us)
  • Its tributaries are derived from the adjacent muscles and bones, and a short distance from its termination it receives a posterior tributary which passes to it between the transverse processes of the vertebræ. (co.ma)
  • This is characterised by the presence of a superior protrusion, known as odontoid process (or dens), which articulates with C1, and a posterior spinous process, which serves as an attachment for muscles and ligaments. (healthliteracyhub.com)
  • Muscles shown on the model include the occipital triangle, levator scapulae, longus capitis, scalenus medius posterior and anterior. (mentone-educational.com.au)
  • The floor of the posterior triangle is formed by the splenius capitis, the levator scapulae, and the medial and posterior scalene muscles. (englishlib.org)
  • The destructive synovitis results in ligamentous laxity and bony erosion with resultant cervical instability and subluxation. (medscape.com)
  • The upper cervical spine accounts for the largest proportion of cervical range of motion afforded by a complex system of bony morphology and ligamentous stability. (lww.com)
  • The cervical spine series is a set of radiographs taken to investigate the bony structures of the cervical spine, albeit commonly replaced by the CT, the cervical spine series is an essential trauma radiograph for all radiographers to understand. (radiopaedia.org)
  • So it requires an extremely solid force to result in to result in occipito-cervical bony or ligamentous disruptions [1]. (heraldopenaccess.us)
  • 18. Cervical spinal cord compression due to an osteochondroma in hereditary multiple exostosis: case report and review of the literature. (nih.gov)
  • By providing a well-illustrated overview summarizing major events of normal in utero and perinatal mouse CNS development with examples of common developmental abnormalities, this annotated, color atlas can be used to identify normal structure and histology when phenotyping genetically engineered mice and will enhance efforts to describe and interpret brain and spinal cord malformations as causes of mouse embryonic and perinatal lethal phenotypes. (nih.gov)
  • Traumatic rotatory displacement of the atlas can vary from subluxation to dislocation. (medscape.com)
  • A lateral cervical spine radiograph showed subluxation ( Figure 1 ). (contemporarypediatrics.com)
  • All spine bones share a common basic structure, consisting of the anterior vertebral body and the posterior vertebral arch. (vedantu.com)
  • Extending from the posterior of the vertebral body is the vertebral arch, which surrounds the spinal cord. (solverytic.com)
  • The routine axial images were reloaded on a workstation, and reconstruction CT images were used to measure parameters: the minimum width of bilateral pedicles and laminae and the length of bilateral laminae of the atlas. (thejns.org)
  • An anatomical variant of the cervical atlas in which osseous bridges connect posterior superior articular process to the posterior arch thereby covering grooves for the VERTEBRAL ARTERY. (bvsalud.org)
  • Vertebral artery injury in cervical spine surgery: anatomical considerations, management, and preventive measures .The Spine Journal 2009;9:70-76. (ijmhr.org)
  • Anatomical Deluxe Muscled Cervical Model has a rating of 0 / 5 based on 0 reviews. (mentone-educational.com.au)
  • Midsagittal section of upper cervical spine. (medscape.com)
  • Because the cervical spine has multiple synovial-lined articulations, RA can manifest itself in the upper cervical spine. (medscape.com)
  • Update on Upper Cervical Injury Classifications: The New AO. (lww.com)
  • Trauma to this area, referred to as upper cervical spine trauma, can disrupt the stability of the upper cervical spine and result in a wide spectrum of injury. (lww.com)
  • The compression of the brainstem and the upper cervical cord was increased, which was consistent with the clinical manifestations (Fig. 3 ). (biomedcentral.com)
  • When a misalignment of the upper cervical spine occurs, the central nervous system can be stressed in a variety of ways that can cause negative health consequences. (paloaltospinemed.com)
  • Misalignments of the upper cervical spine effect the spinal cord, and therefore the central nervous system directly and that is why it is so critical to be specific and gentle when trying to correct these misalignments and why, if left uncorrected, many health problems linger. (paloaltospinemed.com)
  • Pain, limitation of movements, and weakness, were the main complaints of patients with upper cervical lesions. (heraldopenaccess.us)
  • It supplies a twig to this muscle, receives a communicating filament from the posterior division of the first cervical, and then divides into a large medial and a small lateral branch. (wikipedia.org)
  • It is then joined by a filament from the medial branch of the posterior division of the third cervical, and, ascending on the back of the head with the occipital artery, divides into branches which communicate with the lesser occipital nerve and supply the skin of the scalp as far forward as the vertex of the skull. (wikipedia.org)
  • The first preliminary report on successful use of a screw rod stabilizing system posteriorly applied to the occipito-cervical junction was in 1996 by Jeanneret et al. (heraldopenaccess.us)
  • and the posterior lymph sacs appear near the junctions of the primitive iliac veins and the posterior cardinal veins. (slideshare.net)
  • This includes the articulation between the anterior arch of C1 and the odontoid process of C2, as well as the facet joints of the posterior elements. (medscape.com)
  • It has a tooth-shaped process, the dens (odontoid process), which articulates with the atlas as a pivot joint. (englishlib.org)
  • Transverse ligament holds dens against anterior arch of atlas. (medscape.com)
  • AAI is defined as an atlantodental (or atlantodens or atlas-dens) interval (ADI) of greater than 3 mm in adults and of greater than 5 mm in children as measured on plain radiography. (medscape.com)
  • 6]. Mendez J, Gonzales-Llanos F. Endovascular treatment of a vertebral artery pseudoaneurysm following posterior C1-C2 transarticular screw fixation. (ijmhr.org)
  • Vertebral artery pseudoaneurysm complicating posterior C1-2 transarticular screw fixation: case report. (ijmhr.org)
  • Carotid (vascular) triangle is bound by the ster-nocleidomastoid muscle, the superior belly of the omohyoid muscle and the posterior belly of the digastric muscle. (englishlib.org)
  • Digastric (submandibular) triangle is bound by the anterior and posterior bellies of the digastric muscle and the inferi or border of the body of the mandible. (englishlib.org)