AnatomyDiseasesAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesHealth Care
Transverse SinusesCranial SinusesSinus Thrombosis, IntracranialCerebral VeinsLateral Sinus ThrombosisDura MaterOccipital BonePseudotumor CerebriSagittal Sinus ThrombosisMyelitis, TransverseCentral Nervous System Vascular MalformationsMaxillary SinusCerebral AngiographyEchoencephalographyColon, TransverseParanasal SinusesMeningiomaVeinsCavernous SinusMeningeal NeoplasmsSinus of ValsalvaMagnetic Resonance AngiographyUltrasonography, Doppler, ColorCarotid SinusTomography, X-Ray ComputedFrontal SinusConstriction, PathologicParanasal Sinus DiseasesSphenoid SinusMagnetic Resonance ImagingCoronary SinusCerebrovascular CirculationBlood Flow VelocityUltrasonography, Doppler, TranscranialSick Sinus SyndromeEthmoid SinusSaphenous VeinSingle-Blind MethodParanasal Sinus NeoplasmsPortal Vein
LateralTermed the sigmoid sinusTentoriumCerebral venousPosteriorConfluenceThrombosisSigmoid sinusesInferiorDural venousNasal cavityFrontal sinusesParanasal sinusesOphthalmicCavernousLaterallyJugularEmissary veinsSphenoid sinusAnteriorContinuationTemporalVertebralSuperiorMedialDrainsPassesStenosisMastoidJunctionHead and neckSideStraight
Lateral10
  • The transverse sinuses (left and right lateral sinuses), within the human head, are two areas beneath the brain which allow blood to drain from the back of the head. (wikipedia.org)
  • The paired left and right transverse sinuses , or lateral sinuses , are major dural venous sinuses and arise from the confluence of the superior sagittal , occipital and straight sinuses at the torcular herophili (confluence of sinuses) . (radiopaedia.org)
  • On each side, the transverse sinus then runs in the lateral border of the tentorium cerebelli and grooves the occipital and squamous temporal bones. (radiopaedia.org)
  • On each side its lateral edges are faintly grooved for the inferior petrosal venous sinuses, below which the lateral aspect of the bone is rough for the cartilage which unites it to the sides and apex of the petrous part of the temporal bone. (co.ma)
  • when present, it opens below at the lateral side of the scaphoid fossa, and transmits a small vein. (bartleby.com)
  • I continue now to section the tentorium parallel to this straight sinus and just lateral to it. (neurosurgicalatlas.com)
  • The lateral walls are spiral shaped mucosal folds that overlie the turbinates and sinus ducts draining into the ostia. (nih.gov)
  • Surrounding the nasal cavities are air-containing mucosal lined sinuses, which include the frontal sinuses (superior anterior), ethmoid sinuses (superior), paired maxillary sinuses (lateral), and sphenoid sinuses (posterior). (nih.gov)
  • All of these paranasal sinuses, except the sphenoid, communicate with the nasal cavity via ducts that drain through ostia, which empty into spaces located on the lateral wall. (nih.gov)
  • HN - 2008 BX - Lateral Sinus MH - Atrial Septum UI - D054087 MN - A07.541.459.249 MS - The thin membrane-like muscular structure separating the right and the left upper chambers (HEART ATRIA) of a heart. (bvsalud.org)
Termed the sigmoid sinus1
  • the portion which occupies the groove on the mastoid part of the temporal is sometimes termed the sigmoid sinus. (wikipedia.org)
Tentorium5
  • it then leaves the tentorium and curves downward and medialward (an area sometimes referred to as the sigmoid sinus) to reach the jugular foramen, where it ends in the internal jugular vein. (wikipedia.org)
  • Two sutures are placed along the posterior aspect of the tentorium to mobilize and elevate the transverse sinus gently expanding the operative corridor. (neurosurgicalatlas.com)
  • Tentorial incision is extended more medially, obvious the midline and the straight sinuses preserved, the hook elevates the dura, while the scissors continue to section the tentorium. (neurosurgicalatlas.com)
  • The brain and part of the calvaria are removed to demonstrate the sinuses related to the falx cerebri and tentorium cerebelli skin care nz buy benzac with american express. (gov.gy)
  • Sensory endings are more numerous in the dura along each side of the superior sagittal sinus and in the tentorium cerebelli than they are in the floor of the cranium. (gov.gy)
Cerebral venous2
  • Current guidelines recommend anticoagulation after cerebral venous sinus thrombosis (CVT) even in the setting of intracranial hemorrhage, but the timing of initiation is unclear. (neurosurgery.directory)
  • There are several other terms for the condition, such as cerebral venous and sinus thrombosis, (superior) sagittal sinus thrombosis, dural sinus thrombosis and intracranial venous thrombosis as well as the older term cerebral thrombophlebitis. (neurosurgery.directory)
Posterior9
  • The edge of the foramen magnum immediately posterior to the condyle is often grooved for the passage of the vertebral artery around it. (co.ma)
  • The anterior limit of the anterior skull base is the posterior wall of the frontal sinus. (medscape.com)
  • The anterior clinoid processes and the planum sphenoidale, which forms the roof of the sphenoid sinus, mark the posterior limit. (medscape.com)
  • The posterior wall is thin and adjacent to the superior sagittal sinus and frontal lobe dura. (medscape.com)
  • This is the posterior aspect of the tentorial sectioning, just anterior to the transverse sinus. (neurosurgicalatlas.com)
  • A posterior condylar emissary vein may also be present, passing through the condylar canal, connecting the sigmoid sinus with the suboccipital venous plexus. (gov.gy)
  • A posterior fossa arachnoid cyst in a 15-month-old girl with a lumbar pilonidal sinus. (medscape.com)
  • The sphenoid sinus empties into the posterior roof. (nih.gov)
  • Coronary sinus, normally located between the LEFT ATRIUM and LEFT VENTRICLE on the posterior surface of the heart, can serve as an anatomical reference for cardiac procedures. (bvsalud.org)
Confluence2
  • They drain from the confluence of sinuses (by the internal occipital protuberance) to the sigmoid sinuses, which ultimately connect to the internal jugular vein. (wikipedia.org)
  • The oblique sinus lies within the venous confluence and the transverse sinus lies between the arterial (aorta and pulmonary artery) and venous reflections (dome of left atrium and SVC). (mhmedical.com)
Thrombosis5
  • The transverse sinuses exhibit highly variable anatomy , which at times makes imaging evaluation of them, in those with possible dural venous sinus thrombosis , very difficult. (radiopaedia.org)
  • Septic thrombosis of the cavernous sinus often results in the development of acute meningitis. (gov.gy)
  • 2 However, patients who develop a syndrome of raised ICP triggered by certain medications or who are found to have cerebral transverse venous sinus stenoses (not thrombosis) are still conventionally classified as having 'IIH' ( figure 1 ). (bmj.com)
  • Hydration with IV fluids and IV anticoagulation are part of the initial treatment for cranial sinus thrombosis (CST). (neurosurgery.directory)
  • Intracranial dural sinus thrombosis: novel use of a mechanical thrombectomy catheter and review of management strategies. (neurosurgery.directory)
Sigmoid sinuses1
  • In turn, the sigmoid sinuses continue as the jugular bulbs in the skull base. (radiopaedia.org)
Inferior4
  • and they receive some of the inferior cerebral and inferior cerebellar veins, and some veins from the diploë. (wikipedia.org)
  • In their anterolateral portion they receive the inferior anastomotic vein (of Labbé) . (radiopaedia.org)
  • The pericardium attaches to the ascending aorta just inferior to the innominate vein and the superior vena cava (SVC) several centimeters above the sinoatrial node. (mhmedical.com)
  • The pericardial reflection encompasses the superior and inferior pulmonary veins and encircles the inferior vena cava (IVC), thereby making it possible for the surgeon to control the IVC from within the pericardium. (mhmedical.com)
Dural venous1
  • Because these venous channels are valveless, compression of the thorax, abdomen, or pelvis, as occurs during heavy coughing and straining, may force venous blood from these regions into the internal vertebral venous system and from it into the dural venous sinuses. (gov.gy)
Nasal cavity6
  • The foramen cecum sits between the frontal crest and the prominent crista galli and is a site of communication between the draining veins of the nasal cavity and the superior sagittal sinus. (medscape.com)
  • The nasal cavity also functions to facilitate drainage for the secretions from the adjacent paranasal sinuses. (nih.gov)
  • Air containing mucosal lined sinuses surround the nasal cavity, which includes the frontal, paired maxillary, sphenoid, and ethmoid sinuses. (nih.gov)
  • The secretions from these sinuses drain into the nasal cavity via the thin-walled ostia. (nih.gov)
  • Like the nasal cavity, the wall lining of the sinuses also secretes mucus. (nih.gov)
  • It receives blood from a vein in the nasal cavity, runs backwards, and gradually increases in size as blood drains from veins of the brain and the DURA MATER. (bvsalud.org)
Frontal sinuses1
  • The frontal bone houses the supraorbital foramina, which, along with the frontal sinuses, form 2 important surgical landmarks during approaches involving the anterior skull base. (medscape.com)
Paranasal sinuses1
Ophthalmic3
  • the chiasmatic groove ends on either side at the optic foramen, which transmits the optic nerve and ophthalmic artery to the orbital cavity. (bartleby.com)
  • and from the orbital cavity a recurrent branch from the lacrimal artery to the dura mater, and the ophthalmic veins. (bartleby.com)
  • Arterial blood rushes into the cavernous sinus, enlarging it and forcing retrograde blood flow into its venous tributaries, especially the ophthalmic veins. (gov.gy)
Cavernous4
  • They terminate in the sigmoid sinus just as it receives the superior petrosal sinus from the cavernous sinus . (radiopaedia.org)
  • This groove lodges the cavernous sinus and the internal carotid artery, the latter being surrounded by a plexus of sympathetic nerves. (bartleby.com)
  • Because of these connections, an infection of the face may spread to the cavernous sinus and pterygoid venous plexus. (gov.gy)
  • The blood does not collect within a preexisting space, but rather creates a space at the Fractures of Cranial Base In fractures of the cranial base, the internal carotid artery may be torn, producing an arteriovenous fistula within the cavernous sinus. (gov.gy)
Laterally2
  • They run laterally in a groove along the interior surface of the occipital bone. (wikipedia.org)
  • HN - 2008 MH - Transverse Sinuses UI - D054064 MN - A07.231.908.224.833 MS - The two large endothelium-lined venous channels that begin at the internal occipital protuberance at the back and lower part of the CRANIUM and travels laterally and forward ending in the internal jugular vein (JUGULAR VEINS). (bvsalud.org)
Jugular2
  • The jugular process is deeply grooved superiorly for the lower part of the transverse blood sinus, or sigmoid sinus, which here turns round the anterior free edge of the process into the jugular foramen. (co.ma)
  • Anteriorly, the horizontal portion of the SS terminates as an enlargement known as the jugular bulb (JB), forming the junction between the SS and internal jugular vein. (biomedcentral.com)
Emissary veins1
  • Although they are valveless and blood may flow in both directions acne practice purchase 20 gr benzac fast delivery, flow in the emissary veins is usually away from the brain skin care wiki buy benzac 20gr lowest price. (gov.gy)
Sphenoid sinus1
  • Sphenoid sinus: hollow space filling body, immediately below hypophyseal fossa 2. (slideshare.net)
Anterior1
  • The greater portion of the anterior floor is convex and grooved by the frontal lobe gyri. (medscape.com)
Continuation4
  • one, generally the right, being the direct continuation of the superior sagittal sinus, the other of the straight sinus. (wikipedia.org)
  • The sigmoid sinus (SS) is a paired venous sinus beginning as the continuation of the transverse sinus posteriorly, coursing downward as an S-shaped curve in a groove on the inner surface of the temporal bone. (biomedcentral.com)
  • One of the transverse sinuses, usually the right one, is the continuation of the SUPERIOR SAGITTAL SINUS. (bvsalud.org)
  • The other transverse sinus is the continuation of the straight sinus. (bvsalud.org)
Temporal2
  • The petrosquamous sinus, when present, runs backward along the junction of the squama and petrous portion of the temporal, and opens into the transverse sinus. (wikipedia.org)
  • However, their retraction on a temporal lobe will be significant and the optic radiations and the vein of Labbé would be at risk. (neurosurgicalatlas.com)
Vertebral1
  • Anteromedially, it passes between the laminae and through the intervertebral foramina to communicate with the internal vertebral venous plexus and veins around the vertebral artery. (gov.gy)
Superior4
  • opposite this level, the superior sagittal sinus ends and transverse sinus begins. (worldofmedicalsaviours.com)
  • a wide groove with raised margins extending upwards from internal occipital protuberance to the superior angle. (worldofmedicalsaviours.com)
  • HN - 2008 MH - Superior Sagittal Sinus UI - D054063 MN - A07.231.908.224.667 MS - The long large endothelium-lined venous channel on the top outer surface of the brain. (bvsalud.org)
  • Near the lower back of the CRANIUM, the superior sagittal sinus deviates to one side (usually the right) and continues on as a TRANSVERSE SINUS. (bvsalud.org)
Medial1
  • Blood from the medial angle of the eye, nose, and lips usually drains inferiorly through the facial vein, especially when a person is erect. (gov.gy)
Drains1
  • HN - 2008 BX - Granulosa Cells, Cumulus MH - Coronary Sinus UI - D054326 MN - A07.231.908.194.500 MS - A short vein that collects about two thirds of the venous blood from the MYOCARDIUM and drains into the RIGHT ATRIUM. (bvsalud.org)
Passes1
  • Through this a vein passes which joins the transverse sinus. (co.ma)
Stenosis2
  • Mechanism by which transverse sinus stenosis leads to increase intracranial pressure. (bmj.com)
  • Batroxobin may promote venous sinus recanalization and attenuate CVT-induced stenosis. (neurosurgery.directory)
Mastoid1
  • You can see the location of the mastoid groove, incision is between the mastoid groove and the inion. (neurosurgicalatlas.com)
Junction2
  • Analysis of the SSMs indicated that SS morphology is most variable at its junction with the transverse sinus, and least variable at the JB. (biomedcentral.com)
  • The challenge during endovascular intervention is negotiating the sigmoid-transverse sinus junction especially when using bulkier catheters e.g. (neurosurgery.directory)
Head and neck1
  • This chapter gives an overview of the important structures, muscles, fasciae , and vessels ( arteries , veins , lymph , nerves) of the head and neck region. (amboss.com)
Side1
  • The infection usually involves only one sinus initially, but it may spread to the opposite side through the intercavernous sinuses. (gov.gy)
Straight1