Looking for online definition of jugular notch of occipital bone in the Medical Dictionary? jugular notch of occipital bone explanation free. What is jugular notch of occipital bone? Meaning of jugular notch of occipital bone medical term. What does jugular notch of occipital bone mean?

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Posterior occipitocervical fixation and fusion are often required to address occipitocervical instability. Safe, stable internal fixation with screws is vital for the success of such surgery. Thus, poor selection of an internal fixation technique may cause fixation and fusion failure, possibly leading to neurovascular injury. Hence, in certain cases, such as in patients with severe instability of an occipitocervical deformity or osteoporosis, we hypothesized that having a third anchor point (a screw in C2) could enhance the stability of the occipitocervical fixation. A 31-year-old man with occipitocervical deformity and spinal cord edema underwent a traditional occipitocervical fixation procedure but with the addition of a spinous process screw in C2 as a third anchor point. The procedure included posterior internal fixation and fusion. The occipitocervical fixation was completed by inserting occipital screws, bilateral C2 pedicle screws, C3 lateral mass screws, and a spinous process screw in C2 as a

The sphenoid bone has a special place within the head, situated between the brain and the face. Its major joint, the one with the occipital bone, is actually more like the ones between the vertebrae in the spine. Thus it is more flexible than are most other joints between cranial bones. In order to monitor any displacements of the sphenoid bone, check it for hinge, slide and twist. The three small pictures indicate, what is meant with these words. Occipital bone is presented in grey and the sphenoid bone in white.. Hinge: The sphenoid and occipital bones only touch at one edge of the square surface of the joint.. Slide: The surfaces of the two bones keep contact, but are sliding out of centre. Twist: The surfaces keep contact, but the bones are twisted.. ...

INTRODUCTION The increased incidence and success of strip craniectomy with postoperative helmet therapy in the treatment of sagittal craniosynostosis has been documented by multiple centers throughout the country and world. The authors report a child with a postoperative implantation intradiploic epidermoid cyst following a strip craniectomy, a complication, that to our knowledge, has not been reported. METHODS This clinical report involves a 3-year-old boy with a scaphocephalic appearance who was transferred to our center following an interstate adoption. He underwent a strip craniectomy with helmet therapy in infancy. On presentation to our facility the chief complaint was a scaphocephalic appearance. Preop computed tomography scans showed areas of bone gaps along the sagittal suture. RESULTS The child was brought to the operating room for a mid-vault expansion. At surgery, a large intradiploic epidermoid cyst was noted on the posterior aspect of the area of the sagittal suture, immediately

A lot of people that come in here have occipital neuralgia and some of you might be suffering from it at home, so Im going to explain what that means. When I say occipital, that means just the bottom of the skull here, the occiput. This is the occipital region. Neuralgia, the word, means nerve pain. So, its occipital nerve pain. So, all these nerves in the back of your head, they can become compressed. Whether its from tight muscles back there, or from a bone out of place in your neck, that can cause sharp, sharp pains in the back of your head. They use a fancy word to describe occipital neuralgia but its nothing really too fancy if you come to think of it when it is boiled down. If youre suffering from that, I would definitely come out here and get checked out because theres a lot of stuff we could do to help relieve that pain. Whether its loosening up some of those muscles or adjusting the neck for proper motion.. So, there you are, just a little quick info on Occipital Neuralgia. ...

Procyclidine - That which relates to the occipital bone and the axis or second Occip'iTOAx'oiD Articula'tion is the connection of the occipital bone with the axis or second vertebra, although these bones are not really articulated, but are merely retained in apposition by three strong ligaments, the posterior of which is called occipitoiixoid or occipitodxial apparn

Looking for Occipital neuralgia? Find out information about Occipital neuralgia. acute paroxysmal pain along a peripheral sensory nerve. Unlike neuritis neuritis , inflammation of a peripheral nerve, often accompanied by degenerative... Explanation of Occipital neuralgia

Human Anatomy: Head Anatomy The Superior Nuchal Line Can Be Followed Lateralward To The Mastoid Portion Of The Temporal Bone From Which The Mastoid ...

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The rectus capitis posterior major (or rectus capitis posticus major, both being Latin for larger posterior straight muscle of the head) arises by a pointed tendon from the spinous process of the axis, and, becoming broader as it ascends, is inserted into the lateral part of the inferior nuchal line of the occipital bone and the surface of the bone immediately below the line.. A soft tissue connection bridging from the rectus capitis posterior major to the cervical dura mater was described in 2011. Various clinical manifestations may be linked to this anatomical relationship.[1] It has also been postulated that this connection serves as a monitor of dural tension along with the rectus capitis posterior minor and the obliquus capitis inferior.. As the muscles of the two sides pass upward and lateralward, they leave between them a triangular space, in which the rectus capitis posterior minor is seen.. Its main actions are to extend and rotate the atlanto-occipital joint.. ...

Know How much dangerous is the Occipital Neuralgia condition. Symptoms and causes of Occipital Neuralgia. How it can diagnose and the treatment for Occipital Neuralgia at knowandask

4Koc University, School of Medicine, Department of Neurosurgery, Istanbul, Turkey DOI : 10.5137/1019-5149.JTN.9814-13.0 AIM: In this study, 31 patients with a diagnosis of Type II odontoid fractures were reported. All patients were treated with anterior transodontoid screw fixation and clinical outcomes were reported.. MATERIAL and METHODS: In this study, the retrospective clinical analysis of 31 patients with traumatic type II odontoid fractures who were treated through anterior transodontoid fixation in Neurosurgery Department at VKV American Hospital between 1998 and 2012 was performed. The age, sex, cause of injury, diagnosis time, neurological examination before and after surgery, follow-up period were evaluated. The neurological status of patients was classified according to the Frankel scale.. RESULTS: In 4 patients, 2 transodontoid screws were inserted. The mean hospital stay was 3.35 days. Posterior occipito-cervical fusion was done in 1 patient due to the lack of fusion in the first ...

Occipital neuralgia is a distinct type of headache characterized by piercing, throbbing, or electric-shock-like chronic pain in the upper neck, back of the head, and behind the ears, usually on one side of the head. Typically, the pain of occipital neuralgia begins in the neck and then spreads upwards. Some individuals will also experience pain in the scalp, forehead, and behind the eyes. Their scalp may also be tender to the touch, and their eyes especially sensitive to light. The location of pain is related to the areas supplied by the greater and lesser occipital nerves, which run from the area where the spinal column meets the neck, up to the scalp at the back of the head. The pain is caused by irritation or injury to the nerves, which can be the result of trauma to the back of the head, pinching of the nerves by overly tight neck muscles, compression of the nerve as it leaves the spine due to osteoarthritis, or tumors or other types of lesions in the neck.

Gronk! KrOB has secluded himself in his atelier to create this absolutely scientific, unique presentation. Youll see various leathery cowboys on horseback use their lariats to lasso and capture (momentarily) a large carnivorous dinosaur, possibly a living specimen of Giganotosaurus carolinii, one of the largest known theropod dinosaurs. Its remains include a well-preserved braincase that displays a suite of derived characters unique to the animal, and others that help establish its relationships amongst the Theropoda. These, by the way, include the development of a broad frontoparietal skull table that forms a shelf overhanging the supratemporal fenestra, the reorientation of the metotic fissure and fenestra ovalis onto the occiput, the ventral extension of the supraoccipital on either side of the foramen magnum, a broad but low occipital condyle, and pneumatization of the basioccipital. (See Dr. Hals book ...

How many bones is the human skull made of? The skull or cranium is composed of eight cranial bones and fourteen facial bones, which are all fused together by sutures. The skull cranial bones protect the brain and they are: one frontal, two parietal, two sphenoid, two temporal, and one occipital bones. Dome of the skull is known as the skullcap and the lower part is called the base. The largest of the facial bones are the upper and lower jaws (maxilla and mandible). At the center of the base of the skull there is hole called foramen magnum, through which the spinal cord runs. The cranium turns freely on top of the vertebral column, which is made up of separate bones called vertebra. ...

According to the PREEMPT injection paradigm, 5 units of onabotulinumtoxinA is to be administered to two sites on each side for a total dose of 20 units across four sites in the cervical paraspinal muscle group near the midline. The first injection site is approximately 1 cm left of the midline of the cervical spine and approximately 3 cm (2 fingerbreadths) inferior to the occipital protuberance. The second site is measured approximately 1 fingerbreadth diagonally up at a 45° angle from the first injection. The injections should be administered in the most superficial aspect of the muscle, angling the needle 45° and superiorly. To aid in the placement of the injections, the patient should be positioned upright with the head in a neutral position. If the neck is flexed too far forward, injections may be too deep. Injections that are too low or too deep in this muscle group can lead to muscle weakness and neck pain. Injectors should use a suboccipital approach to ensure that the injection sites ...

The Edinburgh Stereoscopic Atlas of Anatomy. Section-II-No.11. Head and Neck. Spinal Canal--No. 2. The posterior part of the skull has been removed and also the dura mater over the cerebellum and the upper part of the spinal cord. Dura mater. The cranial dura mater is adherent to the crainial wall, and serves as a periosteum to the inner surface of the cranial bones. It contains several large venous channels, many of which meet with one another at the internal occipital protuberance. Thus, at this place, the superior longitudinal sinus, which lie in the middle line and runs from in front to the back, meets the straight sinus, the orifice of which is seen, and the occipital sinus. The confluence of these channels constitutes the torcular Hierophili, and from it the lateral sinuses pass outwards on either side, lying between the cerebrum and the cerebellum. The lumen of the sinuses is rather triangular in shape. Arachnoid. This is a delicate non-vascular membrane which invests the brain and cord. ...

The C1 and C2 vertebra and the occipital bone of the skull form the atlanto-occipital joint. This type of joint is a synovial joint and allows flexion and extension. This allows the head to make...

The unilateral transection of the cerebellar peduncles was performed on 29 rats (Table 1). In these animals the atlanto-occipital membrane was exposed and excised, and the cerebellar peduncles of one side was cut by inserting a microknife into the fourth ventricle underneath the cerebellum. These animals belong to an experimental set described in a previous study to which it can be referred for details about the surgical procedures and the evaluation of lesion extent (Buffo et al., 1998).. The Purkinje cell axonal transport was blocked in vivo by injecting a colchicine solution into the cerebellar parenchyma of uninjured rats. These animals were placed on a stereotaxic frame, the occipital bone was exposed, and a hole was drilled in the superior aspect to expose the cerebellar vermis. A total of 4 μg of either colchicine (n = 17, Table 1) or β-lumicolchicine, as a control (n = 4, Table 1), diluted in 1 μl of saline solution was pressure-injected 1 mm deep within the cerebellar parenchyma ...

Occipital neuralgia is a miserable nagging soreness, pain, and headache in the back of the head, often described as a base of skull headache. I tell patients to think of occipital neuralgia as sciatica of the head. This back of head pain is typically felt in the suboccipital region (where the base of the skull meets the top of the neck) and occipital region (back of head) and radiates variably into the back and top of the head (by the greater occipital nerve) and there is often pain behind the ear on the effected side as well (by the lesser occipital nerve). This headache in the base of the skull can less commonly even radiate to the frontal areas (by the trigeminocervical circuitry in the upper cervical spinal cord and brainstem). It can be one sided or both sides. The pain is often described as an intense stabbing, sharp, shooting, shocking, or burning pain. It often occurs in attacks of pain which may last seconds to minutes, but can also be a continuous unrelenting pain. Sometimes it may ...

head, neck, axial, stl, dicom, 3dmodel, print, brain, lobules, Frontal sinus, Frontal bone, Falx cerebri, Orbital gyri, Straight gyrus, Anterior cerebral artery, Anterior communicating artery, Internal carotid artery, Superior temporal gyrus, Middle temporal gyrus, Middle cerebral artery, Posterior communicating artery, Optic chiasm, Amygdaloid body, Pituitary stalk, Lateral ventricle (temporal horn), Dorsum sellae, Hippocampus, Pentagon of basal cisterns, Inferior temporal gyrus, Posterior cerebral artery, Parahippocampal gyrus, Tentorium cerebelli, Basilar artery and basal sulcus, Pons, Sigmoid sinus, Cerebellar peduncle (middle), Fourth ventricle, Dentate nucleus, vermis of cerebellum (superior part), Temporal bone, Confluence of the sinuses, Cerebellar hemisphere, Transverse sinus, Occipital bone, 3D, model, printable, ct, scan with contrast, axial, dicom Congenital variant: Four vessels off carotid arch. FINDINGS:CTA Neck:Arch and great vessels: 4 vessel arch with independent origin of the ...

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There are four major sutures and one of them is the coronal suture. These sutures are what connect the brains frontal, temporal, parietal and occipital bones. Though it looks like the brain is one large bone, there are actually a number of major bones in the brain that are connected together. These bony plates covering the brain are being held together by a fibrous material which is called sutures. In this article, what we will be discussing about is the coronal suture and its function.. Coronal Suture and Its Function Read more about Understanding Coronal Suture Function ...

The pterygoclival ligament was identified bilaterally during drilling of the sphenoid floor in all specimens. The ligament started a few millimeters posterior to the posterior end of the vomer alae and invariably extended posterolaterally and superiorly to blend into the fibrous tissue around the lacerum ICA. The mean length of the ligament was 10.5 ± 1.7 mm. The mean distance between the anterior end of the ligament and midline was 5.2 ± 1.2 mm. The mean distance between the posterior end of the ligament and midline was 12.3 ± 1.4 mm. The bony pterygoclival groove was identified at the confluence of the vomer, pterygoid process of the sphenoid, and basilar part of the occipital bone, running from posterolateral to anteromedial. The mean length of the groove was 7.7 ± 1.8 mm. Its posterolateral end faced the anteromedial aspect of the foramen lacerum medial to the posterior end of the vidian canal. A clinical case illustration is also provided. ...

In human anatomy, the trapezius is a large superficial muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae and laterally to the spine of the scapula (shoulder blade). Its functions are to move the scapulae and support the arm. The trapezius has three functional regions: the superior region (descending part), which supports the weight of the arm; the intermediate region (transverse part), which retracts the scapulae; and the inferior region (ascending part), which medially rotates and depresses the scapulae ...

AX T1 sequence shows the mass eroding a portion of the left occipital bone (condylar portion) and both the mastoid and petrous portions of the temporal bone. Th

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The entire head should be in proportion to the body. It should be long and lean with a well-defined stop. The skull, when viewed from above, should be oval. The skull should be of medium width, without coarseness, and should be only slightly wider at the base than at the brows. The widest part of the oval should be at the ear set. There should be a moderately defined occipital protuberance. The length of the skull from the occiput to the stop should be equal in length to the muzzle. Muzzle: brick-shaped, and the width to be in harmony with the skull. It should be level from the eyes to the top of the nose. When viewed from the side, the line of the top of the muzzle should be parallel to the line of the top of the skull. A dish or a Roman nose is objectionable. The flews should be square and pendant. The nose to be black or dark brown in colour except in white, orange and white, lemon and white or liver and white where it may be lighter. The nostrils should be wide apart and large in the ...

Did anyone see the piece that was done about the new surgery for Occipital Neuralgia this morning on (I believe) Good Morning America? A friend of mine saw it and said that a plastic surgeon and a neurosurgeon had teamed up and come up with a surgery that goes in and scrapes part of the muscle away from the occipital nerve to give the nerve more room. She was telling me about it because she thought it might be something I should check into. I told her that I would try to check but that I didnt have ON - I have migraines that have to do with the vessels in my head - no the nerves. Just thought I would throw it out there for any of you that suffer with ON. You can probaby can go to the Good Morning America website and find out about it ...

Occipital neuralgia refers to sharp, shooting pain arising at back of the head or upper neck, and spreading either to the top of the skull, or to the temple region. This is frequently associated with a dull or throbbing pain behind the eye. It may occur on both sides. This pain is often reproduced by applying mild pressure or tapping over the greater or lesser occipital nerves at the back of the skull. Some patients may have pins and needles or numbness over the scalp ...

The head should be opened with a stainless-steel handsaw to avoid aerosol formation. An electrically-powered saw contained within a plastic bag may be used as an alternative. Standard procedure is recommended to remove the brain from the cranium.  The first step is separate the skull cap from the skull bases by sawing circumferentially through the cranial bone, using the frontal tuberosities and occipital protuberance as  Incise the temporal dura mater on both sides without removing it from the inner table  After tilting the head slightly backwards, gently separate the olfactory bulbs from the skull base, then severe the optic nerves, pituitary stalk, and internal carotid arteries at their entry points into the cranial cavity.  While using one hand to dissect, gently support the cerebral hemispheres with the other hand to avoid stretching the midbrain.  Section the tentorium on both sides along the sphenoid bone as far posterior as possible. Identify the vertebral arteries and cut ...

Define suboccipital. suboccipital synonyms, suboccipital pronunciation, suboccipital translation, English dictionary definition of suboccipital. adj anatomy below or behind either the back of the skull or the lobe at the back of the skull concerned with vision

The atlanto-occipital articulations function as bilaterally symmetrical joints, each of which is formed by an occipital condyle and a superior articular facet of the atlas. Each is classified as an ellipsoidal joint because of its shape. The capsule is rather roomy and relaxed and the joint possesses no individual accessory ligaments ...

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The LON may be easily vulnerable because of its superficial course.. The LON runs vertically upward along the posterior margin of the SCM as a single trunk after it pierced the deep cervical fascia23). Tahir et al.21) reported the use of a horseshoe-shaped headrest during beach-chair surgery caused a permanent injury to the LON, and Park and Kim18) reported three patients with neuropraxia of LON after shoulder arthroscopy. They believed the etiology of injury to LON was an entrapment effect from the headrest compression and recommended that the auricle be protected with cotton or gauze during surgery in the beach-chair position. Though irrelevant to compression injury in this study, LON exposed superficially may also easily be affected from indirect irritations, such as postoperative scar tissue or suture material. However, on cadaveric study, GON was found to emerge below to average 30 mm from the occipital protuberance17).. Group A has less complications related neuropathy because of its ...

Various treatments and procedures have been proposed for treatment of occipital neuralgia, however, the published literature addressing these treatments consists of small, nonrandomized studies, case reports and case series, as well as retrospective studies and reviews. Gille and colleagues (2004) examined surgical treatment of greater occipital neuralgia by neurolysis of the greater occipital nerve and sectioning of the inferior oblique muscle in a case series study of 10 individuals. Of this group, 3 individuals had anatomic anomalies. The mean follow-up of the series was 37 months. The results of the treatment were assessed according to three criteria: (1) degree of pain on a Visual Analogue Scale (VAS) before surgery, at 3 months, and at last follow-up; (2) consumption of analgesics before surgery and at follow-up; and (3) the degree of satisfaction at follow-up. The mean VAS score was 80/100 before surgery and 20/100 at last follow-up. Consumption of analgesics decreased in all individuals. ...

Learn about the causes, symptoms, diagnosis & treatment of Craniocervical Junction Disorders from the Home Version of the Merck Manuals.

Craniocervical Junction Disorders - Learn about the causes, symptoms, diagnosis & treatment from the MSD Manuals - Medical Consumer Version.

Craniocervical Junction Disorders - Learn about the causes, symptoms, diagnosis & treatment from the Merck Manuals - Medical Consumer Version.

Synonyms for occipital lobe in Free Thesaurus. Antonyms for occipital lobe. 1 synonym for occipital lobe: occipital cortex. What are synonyms for occipital lobe?

A 52-year-old woman presented with complaints of non-specific headache. The patient had a history of head injury 1 year ago. Clinical neurological examination was nil significant. The skin over the occipital region is normal. No prior investigations were done immediately after the injury. MRI of the brain at present showed small intradiploic cerebrospinal fluid (CSF)-filled defect with herniation of foliae of the right cerebellar hemisphere (figure 1). The rest of the brain parenchyma revealed no abnormality and no skull fracture … ...

Fingerprint Dive into the research topics of A new technique for intraoperative reduction of occipitocervical instability.. Together they form a unique fingerprint. ...

Definition of frontal diploic vein. Provided by Stedmans medical dictionary and Drugs.com. Includes medical terms and definitions.

Atlanto-occipital dislocation is a highly unstable craniocervical injury, resulting from damage to ligaments and/or bony structures connecting the skull to

This form of stabilization, where the head is attached directly to the cervical spine is rarely necessary. In certain states of rheumatoid arthritis, tumors or infections that may be necessary

Looking for occipital pole TA of cerebrum? Find out information about occipital pole TA of cerebrum. The tip of the occipital lobe of the brain Explanation of occipital pole TA of cerebrum

Occipital bone hypoplasia with foramen magnum obstruction and secondary syringomyelia (SM) is a common condition in the Cavalier King Charles Spaniel (CKCS) that is similar to human Chiari type I malformation. A worldwide family tree of more than 5,500 CKCSs spanning a maximum of 24 generations was established by obtaining pedigree information from 120 dogs diagnosed with SM secondary to occipital bone hypoplasia. The ongoing study showed 6 of 8 great grandparents of all affected dogs could be traced back to 2 female ancestors so that all 8 were descended from one or the other or both. The disease appears to be more severe and have an earlier onset with increased inbreeding, especially when breeding from affected dogs. The family tree of idiopathic epilepsy (IE) appears to be a different subset of the CKCS population, although some overlap was observed. Idiopathic epilepsy is more frequent in lines originating from whole-color dogs. Selection for coat color is believed to have influenced the ...

Cartilages remain only in the external part of the nose. 23 24 Disarticulated Skull I: Sphenoidal and Occipital Bones Sphenoidal and occipital bones (from above). Sphenoidal and occipital bones in connection with the atlas and axis (first and second cervical vertebrae) (left lateral view). Disarticulated Skull I: Sphenoidal and Occipital Bones Sphenoidal bone 1 Greater wing 2 Lesser wing 3 Cerebral or superior surface of greater wing 4 Foramen rotundum 5 Anterior clinoid process 6 Foramen ovale 7 Foramen spinosum 8 Dorsum sellae 9 Optic canal 10 Chiasmatic groove (sulcus chiasmatis) 11 Hypophysial fossa (sella turcica) 12 Lingula 13 Opening of sphenoidal sinus 14 Posterior clinoid process 15 Pterygoid canal 16 Lateral pterygoid plate of pterygoid process 17 Pterygoid notch 18 Pterygoid hamulus 19 Orbital surface of greater wing 20 Sphenoidal crest 21 Sphenoidal rostrum 22 Medial pterygoid plate 23 Superior orbital fissure 24 Spine of sphenoid 25 Temporal surface of greater wing 26 Infratemporal ...

Greater Occipital Nerve Blocks (GONB) are a common procedure used for the treatment of headache. The GONB procedure involves a series of injections into the greater occipital nerve (a spinal nerve located at the back of your head). The purpose of this study is to determine whether GONB is effective for the treatment of prolonged migraine attacks. This study is placebo controlled, which means that half of the patients participating will receive injections of active study drug (lidocaine plus bupivicaine) and half of the patients will receive injections of saline (placebo). The study is also blinded which means that neither you nor the study staff will know whether you received active study drug or placebo. The study remains blinded only for the first 30 minutes, at which point additional treatments (including GONB) can be administered at the discretion of your treating physician.. 40 patients are expected to participate in this research study. This study is being conducted at Thomas Jefferson ...

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Between 1989 and 1994, 50 patients suffering from congenital atlantoaxial dislocation with either an assimilated atlas or a thin or deficient posterior arch of the atlas were treated with occipitocervical fusion using the technique described by Jain and colleagues in 1993 with a few modifications. An artificial bridge created from the occipital bone along the margin of the foramen magnum was fused to the axis using sublaminar wiring and interposed strut and lateral onlay bone grafts. Ten patients (20%) also underwent atlantoaxial lateral joint fusion by intraarticular instillation of bone chips. In 22 patients (44%) with irreducible dislocation, posterior fusion was preceded by transoral odontoidectomy. In seven patients (14%) with ventral compression, who showed marked clinical improvement on traction despite radiological evidence of persisting atlantoaxial dislocation, occipitocervical fusion was performed without ventral decompression. Seven patients (14%) underwent a single-stage transoral ...

The greater occipital nerve block procedure treats Occipital Neuralgia, or irritation/injury nerves located in the base of the skull & throughout the scalp.

The emissary veins connect the extracranial venous system with the intracranial venous sinuses. They connect the veins outside the cranium to the venous sinuses inside the cranium. They drain from the scalp, through the skull, into the larger meningeal veins and dural venous sinuses. They are common in children. Emissary veins have an important role in selective cooling of the head. They also serve as routes where infections are carried into the cranial cavity from the extracranial veins to the intracranial veins. There are several types of emissary veins including posterior condyloid, mastoid, occipital and parietal emissary vein. There are also emissary veins passing through the foramen ovale, jugular foramen, foramen lacerum, and hypoglossal canal. Because the emissary veins are valveless, they are an important part in selective brain cooling through bidirectional flow of cooler blood from the evaporating surface of the head. In general, blood flow is from external to internal but the flow ...

It arises from the lower half of the nuchal ligament, from the spinous process of the seventh cervical vertebra, and from the spinous processes of the upper three or four thoracic vertebrae. The fibers of the muscle are directed upward and laterally and are inserted, under cover of the sternocleidomastoideus, into the mastoid process of the temporal bone, and into the rough surface on the occipital bone just below the lateral third of the superior nuchal line. The splenius capitis is deep to sternocleidomastoideus at the mastoid process, and to the trapezius for its lower portion. It is one of the muscles that forms the floor of the posterior triangle of the neck. The splenius capitis muscle is innervated by the posterior ramus of spinal nerves C3 and C4. ...

3D CT angiography of foramen magnum in a child with achondroplasia: The foramen magnum is narrow, there is a deep midline keel in the occipital bone, the rim of the foramen magnum is thickened, and the distance between the vertebral arteries is less than normal ...

The dura has been exposed by removing part of the occipital bone and the arches of the upper five cervical vertebrae. The cranial dura mater is continuous through the foramen magnum (15) with that which covers the spinal cord. The spinal dura is separated from the wall of the vertebral canal by the epidural space which contains fat and plexiform veins. In the cervical region this space is narrow and the veins are small. Below the foramen magnum the dura is fused with the posterior atlanto-occipital membrane (16) so that above the level of the atlas no epidural space is present ...

The skull of a snake is a very complex structure, with numerous joints to allow the snake to swallow prey far larger than its head.. The typical snake skull has a solidly ossified braincase, with the separate frontal bones and the united parietal bones extending downward to the basisphenoid, which is large and extends forward into a rostrum extending to the ethmoidal region. The nose is less ossified, and the paired nasal bones are often attached only at their base. The occipital condyle is either trilobate and formed by the basioccipital and the exoccipitals, or a simple knob formed by the basioccipital; the supraoccipital is excluded from the foramen magnum. The basioccipital may bear a strong, curved ventral process or hypapophysis in the vipers.. The prefrontal bone is situated, on each side, between the frontal bone and the maxilla, and may or may not be in contact with the nasal bone.. The postfrontal bone, usually present, borders the orbit behind, rarely also above, and in the pythons a ...

title:Ponticulus Posticus of the Atlas Vertebra. Author:Ojaswini Malukar, Vipul.P.Prajapati, S.K.Nagar. Keywords:Arcuate foramen, Atlas vertebra, Ponticulus posticus, Vertebral artery. Type:Original Article. Abstract:Atlas is the first cervical vertebra. It articulates with the occipital bone above and the axis vertebra below. It plays an important role in movement of the skull and the neck. A rare variation of the atlas vertebra is found where the posterior arch of the atlas had one accessory foramen just behind each lateral mass. In the atlas vertebra, this retroarticular canal or the lateral bridge are examples of bony outgrowths which may cause external pressure on the vertebral artery as it passes from the foramen transversarium of the vertebra to the foramen magnum of the skull. The knowledge of this variation may be of importance to orthopedic surgeons, neurosurgeons, radiologists and anthropologists. Of the 80 atlas vertebrae observed 17.5 % showed presence of retro transverse groove or ...

Chiari-like Malformation (CM) and secondary syringomyelia (SM), as well as their analogous human conditions, is a complex developmental condition associated with pain and accompanying welfare concerns. CM/SM is diagnosed ever more frequently, thanks in part to the increased availability of magnetic resonance imaging in veterinary medicine. Research over the last two decades has focused primarily on its pathophysiology relating to overcrowding of the cranial caudal fossa. More recent characterizations of CM/SM include brachycephaly with osseous reduction and neural parenchymal displacement involving the entire brain and craniocervical junction to include rostral flattening, olfactory bulb rotation, increased height of the cranium, reduced cranial base with spheno-occipital synchondrosis angulation, reduced supraoccipital and interparietal crest and rostral displacement of the axis and atlas with increased odontoid angulation. The most shared manifestation of CM is the development of fluid-filled ...

Define protuberance. protuberance synonyms, protuberance pronunciation, protuberance translation, English dictionary definition of protuberance. n. 1. Something, such as a bulge, knob, or swelling, that protrudes. 2. The condition of being protuberant. American Heritage® Dictionary of the English...

Traumatic atlanto-occipital dislocation (AOD) is an ominous injury with high mortality and morbidity in trauma patients. Improved survival has been observed wit

The inner surface of the vault is very smooth in comparison with the floor. It does feature a few bumps and grooves. For example, the frontal crest - a notch of bone just behind the frontal sinus. The frontal crest is an attachment point for a fold in the membranes covering the brain (falx cerebri).. Just above the occipital bone and close to the midline of the skull cap are the parietal foramina. Just as with all foramina, important blood vessels and nerves travel through them. They are not visible in the above image.. A vertical groove passes through the middle of the cranial vault - the sagittal groove or sulcus - that provides space for the superior sagittal sinus (part of the drainage mechanism for cerebrospinal fluid and blood). The raised edge of this groove is just visible to the left of the above image.. Below, the position of the various sinuses shows how adept the brain is at removing waste products and extra fluid from its extremely delicate tissues.. ...

Hi Tracy,. Thank you for the compliments, and Im happy to help however I can.. To make the skull, I started with a plastic model skull. I covered it with tin foil and pressed it down really well so that I could see that I could see (mostly) the cracks between the various bones of that skull. Then I piped royal icing on top of this (the tin foil is so that the royal icing will come off easily) and smoothed it with a damp paintbrush, leaving slight gaps between the various bones of the skull. That way, when I took the skull off the form, it was in pieces. I think I wound up with eight separate pieces - the lower jaw, the nose and upper jaw (which I think is really two separate bones, but I made it together), the frontal bone, the two parietal bones, the two temporal bones, and the occipital bone. That way, it was easy to assemble it around the carved cake and seal up the gaps with more royal icing. You can make the royal icing skull as much in advance as you want. As long as you keep it somewhere ...

Anterior view of structures at atlantooccipital region. Bone of the lower clivus and adjacent parts of the occipital bone were removed to expose...

Another name for Neuralgia Occipital is Occipital Neuralgia. Facts about occipital neuralgia: * The incidence of occipital neuralgia is unknown.

Occipital Neuralgia. This surgical exhibit reveals operative procedures performed in the attempted relief of severe and chronic migraine headaches. The first portion of the exhibit shows the more common incision and resection of the occipital nerves bilaterally at the back of the head. The second more extreme procedure shows an upper cervical spine exposure with laminectomy and resection of the nerve roots as they branch off the spinal cord.

Occipital Neuralgia. This surgical exhibit reveals operative procedures performed in the attempted relief of severe and chronic migraine headaches. The first portion of the exhibit shows the more common incision and resection of the occipital nerves bilaterally at the back of the head. The second more extreme procedure shows an upper cervical spine exposure with laminectomy and resection of the nerve roots as they branch off the spinal cord.

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In women, the finer hair in the area over the ears should generally be used. In men with fine hair and coarse eyebrows, the area adjacent to the occipital protuberance is usually the coarsest hair on the scalp and may be the best match. The grafts should be inserted using fine jewelers forceps under loupe magnification. The hair must be literally stuffed-rather than inserted-into the sites, because the site is too small to accommodate both the graft and the forceps. No dressing is required postoperatively. The patient is instructed to sleep with his or her head elevated. The following morning, the patient should gently irrigate the transplanted area to remove any dried crusts. This should be done in the shower at least three times the day following surgery and twice daily for 1 week. After each shower, an antibiotic ointment should be applied to the brow to help soften any crusts so that they can be more easily removed with the next washing. The surgery often causes bruising that may take 1 ...

Inspection 1,6:. General: swelling, discoloration, deformity, muscle symmetry/atrophy. Skin: blisters, discoloration, open wounds, scars & skin infections. Anterior View: posture including: shoulder height, muscle symetry, muscle tone. Posterior View: posture including: shoulder height, muscle symetry, muscle tone. Lateral View: posture including: head position, shoulder position, cervical curve, thoracic curve, muscle tone. Low Back Palpation Rollover: using internet explorer rollover the images to trace some anatomy of the low back. Bony Palpation & Soft Tissue Palpation 1: hyoid, thyroid cartilage, first cricoid ring, carotid tubercle, occiput, inion, superior nuchal line, mastoid process, cervical spinous processes, facet joints, sternocleicomastoid, lymph chain, thyroid gland, carotid pulse, parotid gland, supraclavicular fossa, trapezius, lymph nodes, greater occipital nerves & superior nuchal ligament. Range of Motion 1,5:. AROM: flexion, extension, lateral flexion, rotation. PROM: ...

Anestezistler hastan n riskini en aza indirmek i in her zaman en g venli y ntemi se melidirler. Bilateral b y k oksipital sinir blo u g n m zde, ultrason e li inde g venli bir ekilde yap labilmektedir. Bu olgu sunumunda boyun arkas nda kitlesi bulunan; sahip oldu u ek hastal klar nedeniyle genel anestezi y n nden riskli olan hastaya, uygulad m z ultrason e li inde bilateral b y k oksipital sinir blo unu sunuyoruz.. Anahtar Kelimeler: B y k oksipital sinir, ultrason, kitle ...

The chloroplast F1Fo-ATP synthase/ATPase (cpATPase) couples ATP synthesis to the light-driven electrochemical proton gradient. The cpATPase is a multiprotein complex and consists of a membrane-spanning protein channel (comprising subunit types a, b, b′, and c) and a peripheral domain (subunits α, β, γ, δ, and ε). We report the characterization of the Arabidopsis (Arabidopsis thaliana) CONSERVED ONLY IN THE GREEN LINEAGE160 (AtCGL160) protein (AtCGL160), conserved in green algae and plants. AtCGL160 is an integral thylakoid protein, and its carboxyl-terminal portion is distantly related to prokaryotic ATP SYNTHASE PROTEIN1 (Atp1/UncI) proteins that are thought to function in ATP synthase assembly. Plants without AtCGL160 display an increase in xanthophyll cycle activity and energy-dependent nonphotochemical quenching. These photosynthetic perturbations can be attributed to a severe reduction in cpATPase levels that result in increased acidification of the thylakoid lumen. AtCGL160 is not ...

Hi all, I have been suffering for 4.5 yrs now. Had extreme rashes caused by high levels of leukocytes - biopsy of active papule came back as SLE, severe occipital neuralgia (cluster headaches...

2. 1. Each section of the brain is known as a lobe. b. occipital. The frontal lobe is sometimes referred to as a hemisphere, which can be confusing. The cerebellum (unlabeled) is not part of the telencephalon. Located in the forebrain section, this lobe is the smallest of the four lobes. 2018. 2016. For example, a stroke in the right occipital lobe can result in blindness on â ¦ Occipital lobe - found at the back of the brain, is â ¦ 2018 Apr 20;83:27-32. doi: 10.1016/j.pnpbp.2017.12.017. Zh Vyssh Nerv Deiat Im I P Pavlova. As such, occipital lobe strokes are primarily associated with changes in vision. The frontal lobe, which contains the brains motor cortex. ClinicalTrials.gov NCT02305823 NCT02534363. Terms Cortical and Subcortical Gray Matter Volume in Youths With Conduct Problems: A Meta-analysis. Get the latest public health information from CDC: https://www.coronavirus.gov. 14, There is the frontal lobe, easy to remember, its part in front, the parietal lobe, the occipital lobe, and ...

In 1883, Stimson first described the fracture patterns in lateral condyle fractures in his book Treatise on Fractures. He described the fracture as beginning in the lateral metaphysis proximal to the condyle, coursing distally, and exiting through the articular surface through the medial trochlear notch or through the capitellotrochlear groove.

Details of the image Medial femoral condyle fracture associated with lipohaemarthrosis and lateral patellar dislocation Modality: MRI (PD fat sat)

Foramen Magnum is the largest foramen within the skull and centrally, in the deepest portion of the posterior cranial fossa. It is surrounded anteriorly by the…

Fig 66 - Head of a chick, second stage, after five days of incubation, section in profile; x6 diameters. cvl, cv2, cv3, first, second, and third cerebral vesicles; 1, place of the first nerve, the olfactory; 2, place of second nerve, the optic; ic, internal carotid artery, running into skull at what was originally the pituitary space, now an opening bounded in front by the anterior, acl, behind the posterior, pcl, clinoid walls; nc, notochord; oc, occipital condyle, thence to pcl being the original parachordal cartilage, here seen in profile; eo, exoccipital; eth, ethmoid, with ps, its presphenoid region posteriorly, and pn, pre-nasal part; this whole plate afterward developing into parts of the nose and the partition between the eyes; pa, palatine; pg, pterygoid region; pa and pg reference lines are in the chicks mouth; mk meckelian cartilage (lower jaw); ch and bh, ceratohyal and basihyal parts of the hyoid or tongue bone. Elliot Coues, 1884. ...

In 1900 Taylor and Haughton described a technique to define a line on the scalp directly above the central fissure 1) 1. Draw a Nasion-Inion line ( Nasion - Just below Glabella and Inion -External Occipital protruberance) 2. Divide the Nasion-Inion line in to 25%, 50% and 75% 3. Bregma is the point between the 25% and 50% points and Lambda is at 75% point 4. Sylvian fissure is drawn from the orbitotemporal angle (A point of depressin where eyebrow ends) to the 75% point on naso-inion line. 5. Draw a line perpendicular to the root of the zygoma starting at preauricular point 6. Central sulcus is drawn from 54% point on naso-inion line to the point where the sylvian line cuts the perpendicular line The Taylor-Haughton line was used to identify the central fissure in computed tomography (CT) images. Radiopaque catheters are placed on the scalp on either side of the Taylor-Haughton line prior to CT imaging. The accuracy of the Taylor-Haughton line for identifying the central fissure was also ...

JNS: Pediatrics November 8, 2013-click here to listen. Occipital condyle to cervical spine fixation in the pediatric population. Report of 4 cases. Effect of sex on symptoms and return to baseline in sport-related concussion. Clinical article.

In 1900 Taylor and Haughton described a technique to define a line on the scalp directly above the central fissure 1). 1. Draw a Nasion-Inion line ( Nasion - Just below Glabella and Inion -External Occipital protruberance). 2. Divide the Nasion-Inion line in to 25%, 50% and 75%. 3. Bregma is the point between the 25% and 50% points and Lambda is at 75% point. 4. Sylvian fissure is drawn from the orbitotemporal angle (A point of depressin where eyebrow ends) to the 75% point on naso-inion line.. 5. Draw a line perpendicular to the root of the zygoma starting at preauricular point. 6. Central sulcus is drawn from 54% point on naso-inion line to the point where the sylvian line cuts the perpendicular line. ...

Most species of the genus Pliosaurus Owen, 1842 come from the Northern Hemisphere, however, a growing number of new specimens are now available from the Southern Hemisphere. Here, a new species of Pliosaurus is described, the second for the genus from the Southern Hemisphere, collected from the upper Tithonian (Jurassic) levels of the Vaca Muerta Formation, Neuquén Province, Patagonia. Pliosaurus almanzaensis new species is characterized by two autapomophies: the angular participating in the mandibular symphysis and the occipital condyle without a notochordal pit or several, irregularly arranged grooves. Additionally, P. almanzaensis n. sp. can be differentiated from other Pliosaurus species by the following characters: trihedral teeth, nine or more symphyseal alveoli, 15-17 post-symphyseal alveoli, and the parasphenoid without a ventral keel. Pliosaurus almanzaensis n. sp. shows that Pliosaurus species with nine or more symphyseal alveoli persisted until the late Tithonian, contrary to ...

Condylar emissary vein is a vein connecting the suboccipital plexus of veins with the sigmoid sinus. Possible mode of transportation for disease into the cranium. ...

MATERIALS AND METHODS: Four hundred patients with intact skull, dura mater, and dural sinuses underwent MR imaging to explore arachnoids protruding into the skull and diploic veins. Patients with symptoms of increased intracranial pressure or intracranial hypotension were excluded. For 15 patients undergoing craniotomy, both peripheral and diploic venous blood was collected. Albumin and the CSF-specific biomarkers were measured by enzyme-linked immunosorbent assay. ...

Comfort and support are the 2 biggest factors to consider, when you are looking to buy a new mattress.When you lie on a mattress, it should do a few things. It should properly support your body. It should also sink and contour to your body in the right places; to ensure your spine stays aligned, as you rest through the night. It is imperative to have proper alignment from top to bottom as you sleep. This is necessary to make sure you get a healthy rest, and to ensure you are reducing your back and neck pain. A mattress should provide you with stress relief, while at the same time being supportive all around of your body. Stress points are what causes you to move around through out the night, while you are attempting to sleep. Memory foam mattresses have earned their way into the spotlight, by not only being comfortable, but as equally supportive.. ...

Strokes that affect one or both occipital lobes of the brain result in visual deficits. Occipital lobe strokes are relatively uncommon.

Diagnosis Code S72.411 information, including descriptions, synonyms, code edits, diagnostic related groups, ICD-9 conversion and references to the diseases index.

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This is an article covering the gross anatomy, vascular supply and clinical pathology of the suboccipital muscles. Learn about this topic now at Kenhub!