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  • middle mening
  • middle meningeal artery. (dictionary.com)
  • The middle meningeal vein parallels the path of the middle meningeal artery. (healthline.com)
  • Most epidural hematomas, a condition where blood that accumulates between the skull and the dura mater (protective tissue surrounding the brain), are usually caused by skull fractures that cross either the middle meningeal artery or the middle meningeal vein. (healthline.com)
  • recurrent branch of maxillary nerve distributed with the anterior branch of the middle meningeal artery to the meninges of the anterior portion of the middle cranial fossa. (drugs.com)
  • a recurrent branch of the mandibular nerve that passes superiorly through foramen spinosum to be distributed with the posterior division of the middle meningeal artery to the meninges of the posterior portion of the middle cranial fossa. (drugs.com)
  • the ramifying groove in the inner table at the squamous part of the temporal and parietal bones, formed in relation to the middle meningeal artery, beginning from foramen spinosum. (drugs.com)
  • These haemorrhages usually occur due to damage to the middle meningeal artery, and high-pressure arterial blood 'strips off' the closely applied dura from the under-surface of the skull. (forensicmed.co.uk)
  • The natural history of traumatic aneurysms of the middle meningeal artery (MMA) is not well known, but patients with these lesions are more likely to have delayed bleeds. (hindawi.com)
  • All patients with temporal acute epidural hematomas underwent CTA and cerebral angiogram at our institution for diagnosis of posttraumatic lesions of middle meningeal artery. (hindawi.com)
  • In patients who present with fractures crossing the middle meningeal artery (MMA), the possibility of false aneurysm should be kept in mind [ 2 , 7 ]. (hindawi.com)
  • All patients with temporal or parietal AEDHs underwent CTA and cerebral angiogram at our institution for the diagnosis of posttraumatic lesions of middle meningeal artery. (hindawi.com)
  • A human skull is described in which the middle meningeal artery probably arose bilaterally from the lacrimal artery. (bmj.com)
  • Summary: We describe a case of traumatic pseudoaneurysm of the middle meningeal artery in a patient after a head trauma. (ajnr.org)
  • this outcome suggests that middle meningeal artery aneurysm may not require treatment in all cases and can be followed conservatively with follow-up conventional angiography. (ajnr.org)
  • Aneurysms of the middle meningeal artery are rare, and most present with intracranial hemorrhage and are therefore treated ( 1 ). (ajnr.org)
  • However, the natural history of middle meningeal artery aneurysms, particularly when discovered incidentally, remains unclear. (ajnr.org)
  • The left external carotid injection revealed an irregular aneurysm of the middle meningeal artery. (ajnr.org)
  • Embolization of the internal maxillary artery distal to the middle meningeal artery with polyvinyl alcohol particles (150-250 μm) was uncomplicated, and the epistaxis was arrested. (ajnr.org)
  • No treatment of the middle meningeal artery aneurysm was performed at this time. (ajnr.org)
  • External carotid injection revealed that the middle meningeal artery aneurysm had resolved, with only a subtle contour abnormality evident at the affected segment ( Fig 1 A , - B ). (ajnr.org)
  • A , Lateral film from conventional angiography shows contrast agent filling an irregular aneurysm along the course of the posterior division of the middle meningeal artery ( arrow ). (ajnr.org)
  • B , After 1 month, a follow-up repeat angiogram shows a subtle contour abnormality along the posterior division of the middle meningeal artery ( arrow ). (ajnr.org)
  • Seventeen cases of nontraumatic aneurysm and 40 cases of traumatic pseudoaneurysm of the middle meningeal artery have been reported in the literature ( 2 ). (ajnr.org)
  • Nontraumatic aneurysms of the middle meningeal artery have been found in association with meningioma, Paget's disease, angioma, moyamoya, cavernous hemangioma, hypertension, posterior cerebral artery occlusion, dural arteriovenous malformation, and neurofibromatosis type 2 ( 3 - 6 ). (ajnr.org)
  • Nearly all cases of traumatic middle meningeal artery pseudoaneurysms are associated with fracture that extends across the temporal region of the middle meningeal artery ( 2 ). (ajnr.org)
  • Both traumatic and nontraumatic middle meningeal artery aneurysms are associated with epidural, subdural, subarachnoid, intraparenchymal, and intraventricular hemorrhage ( 7 ). (ajnr.org)
  • The first case of traumatic middle meningeal artery pseudoaneurysm was reported by Schulze in 1957 ( 8 ). (ajnr.org)
  • The natural history of traumatic middle meningeal artery pseudoaneurysms is unknown, and different theories explain the formation of the middle meningeal artery aneurysm. (ajnr.org)
  • meninges
  • Adult meningeal worms live in the lining of the brain (called the meninges) and spinal cord of the deer. (petmd.com)
  • We also describe the recently characterized meningeal lymphatic vessels and their role in drainage of the brain ISF, CSF, CNS-derived molecules, and immune cells from the CNS and meninges to the peripheral (CNS-draining) lymph nodes. (jci.org)
  • The results of this study suggest that CGRP effects in the meninges, including meningeal vasodilatation, are not sufficient to activate or sensitize meningeal nociceptors. (wiley.com)
  • spinal
  • Spinal meningeal cysts are diverticulae of the arachnoid or dura mater or of the nerve root sheath . (radiopaedia.org)
  • The spinal meningeal cyst classification uses these features to separate the different type of cysts. (radiopaedia.org)
  • Schwann cells that are implanted in the lesioned spinal cord fail to align in pathways that could support axon growth but form cellular clusters that exhibit only limited intermingling with the astrocytes and meningeal cells (MCs) that are present in the neural scar. (biomedsearch.com)
  • Spinal meningeal diverticula have been implicated in the pathogenesis of spontaneous intracranial hypotension and have been proposed as both diagnostic features of and therapeutic targets for the condition. (ajnr.org)
  • Despite the well-established association between spinal meningeal diverticula and SIH, we found no difference in the prevalence or myelographic appearance of diverticula in patients with SIH compared with controls. (ajnr.org)
  • Optimal diagnosis and treatment of SIH, including the role of spinal meningeal diverticula in diagnostic and therapeutic algorithms, remain a subject of debate. (ajnr.org)
  • dural
  • Here, using electrophysiological, extracellular, single-unit recording combined with laser-Doppler flowmetry measurements of dural blood flow (DBF), we examined whether CGRP and meningeal vasodilatation promote activation or sensitization of meningeal nociceptors. (wiley.com)
  • 1 , 2 Numerous reports have described the presence of large or irregular diverticula in patients with SIH, with some reports offering surgical confirmation of CSF leaking from dural defects localized to meningeal diverticula. (ajnr.org)
  • symptoms
  • Meningeal TB should be suspected in patients who have signs and symptoms of TB disease (e.g., fever, chills, night sweats) as well as neurologic disease (e.g., headache, blurred vision, dizziness) without a plausible alternative diagnosis by history, physical exam, and basic laboratory or radiographic studies. (cdc.gov)
  • branches
  • The branches of the middle meningeal vessels, however, were normal both in their position and distribution. (bmj.com)
  • therapeutic
  • Future studies should explore the communications between the glymphatic system and meningeal lymphatics in CNS disorders and develop new therapeutic modalities targeting these systems. (jci.org)
  • suggests
  • A current hypothesis suggests that peripheral CGRP and its related meningeal vasodilatation results in activation and sensitization, leading to the generation of migraine headache. (wiley.com)
  • nervous system
  • The bacterium is the main cause of the onset of meningeal syphilis and other treponemal diseases, and it consists of a cytoplasmic and outer membrane that can cause a diverse array of diseases in the central nervous system and brain . (wikipedia.org)
  • When the adult female meningeal worm lays eggs, these eggs are washed out of the nervous system via venous circulation. (petmd.com)
  • form
  • Meningeal TB is the most severe form of TB and is associated with high morbidity (5%-24%) (e.g., stroke, seizure, hydrocephalus, vision impairment, and hearing impairment) and mortality (10%-20%), even in high-resource countries ( 1 ). (cdc.gov)
  • however
  • however, neither method of CGRP administration resulted in activation or sensitization of meningeal nociceptors. (wiley.com)
  • small
  • The clinical signs of a small ruminant or camelid infected with meningeal worm most often include weakness in the hind limbs that progresses to the front limbs. (petmd.com)
  • blood
  • One of several depressions on the internal surface of the cranial bones where blood vessels follow the meningeal and osseous structures of the skull. (thefreedictionary.com)