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  2. Middle meningeal artery - Wikipedia

    en.wikipedia.org/wiki/Middle_meningeal_artery

    The anterior branch of the middle meningeal artery runs beneath the pterion. It is vulnerable to injury at this point, where the skull is thin. Rupture of the artery may give rise to an epidural hematoma. In the dry cranium, the middle meningeal, which runs within the dura mater surrounding the brain, makes a deep groove in the calvarium.

  3. Middle cranial fossa - Wikipedia

    en.wikipedia.org/wiki/Middle_cranial_fossa

    Lateral to the foramen ovale is the foramen spinosum, for the passage of the middle meningeal vessels, and a recurrent branch from the mandibular nerve. Medial to the foramen ovale is the foramen lacerum ; in the fresh state the lower part of this aperture is filled up by a layer of fibrocartilage , while its upper and inner parts transmit the ...

  4. Meninges - Wikipedia

    en.wikipedia.org/wiki/Meninges

    The middle region is a mostly fibrous portion. It consists of two layers: the endosteal layer, which lies closest to the skull, and the inner meningeal layer, which lies closer to the brain. [7] It contains larger blood vessels that split into the capillaries in the pia mater. It is composed of dense fibrous tissue, and its inner surface is ...

  5. Foramen spinosum - Wikipedia

    en.wikipedia.org/wiki/Foramen_spinosum

    The foramen spinosum is a small open hole in the greater wing of the sphenoid bone that gives passage to the middle meningeal artery and vein, and the meningeal branch of the mandibular nerve (sometimes it passes through the foramen ovale instead).

  6. Head injury - Wikipedia

    en.wikipedia.org/wiki/Head_injury

    It may result from laceration of an artery, most commonly the middle meningeal artery. This is a very dangerous type of injury because the bleed is from a high-pressure system and deadly increases in intracranial pressure can result rapidly. However, it is the least common type of meningeal bleeding and is seen in 1% to 3% cases of head injury.

  7. Accessory meningeal artery - Wikipedia

    en.wikipedia.org/wiki/Accessory_meningeal_artery

    The accessory meningeal artery (also accessory branch of middle meningeal artery, pterygomeningeal artery, small meningeal or parvidural branch) is a branch of the maxillary artery that ascends through the foramen ovale to enter the cranial cavity and supply the dura mater of the floor of the middle cranial fossa and of the trigeminal cave, and to the trigeminal ganglion (representing the main ...

  8. Dura mater - Wikipedia

    en.wikipedia.org/wiki/Dura_mater

    Arachnoid villi, which are outgrowths of the arachnoid mater (the middle meningeal layer), extend into the dural venous sinuses to drain CSF. These villi act as one-way valves. Meningeal veins, which course through the dura mater, and bridging veins, which drain the underlying neural tissue and puncture the dura mater, empty into these dural ...

  9. Middle meningeal nerve - Wikipedia

    en.wikipedia.org/wiki/Middle_meningeal_nerve

    The middle meningeal nerve (meningeal or dural branch) is given off from the maxillary nerve (CN V 2) directly after its origin from the trigeminal ganglion, before CN V 2 enters the foramen rotundum. It accompanies the middle meningeal artery and vein once the artery and vein enter the cranium through the foramen spinosum and supplies the dura ...

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