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  2. Facial vein - Wikipedia

    en.wikipedia.org/wiki/Facial_vein

    Thrombophlebitis of the facial vein, (inflammation of the facial vein with secondary clot formation) can result in pieces of an infected clot extending into the cavernous sinus, forming thrombophlebitis of the cavernous sinus. Infections may spread from the facial veins into the dural venous sinuses. Infections may also be introduced by facial ...

  3. Danger triangle of the face - Wikipedia

    en.wikipedia.org/wiki/Danger_triangle_of_the_face

    The danger triangle of the face consists of the area from the corners of the mouth to the bridge of the nose, including the nose and maxilla. [1] [2]: 345–346 Due to the special nature of the blood supply to the human nose and surrounding area, it is possible for retrograde infection from the nasal area to spread to the brain, causing cavernous sinus thrombosis, meningitis, or brain abscess.

  4. Superior ophthalmic vein - Wikipedia

    en.wikipedia.org/wiki/Superior_ophthalmic_vein

    The superior ophthalmic vein drains venous blood from structures of the upper orbit. [2] The superior ophthalmic vein forms/represents a connection between facial veins, and intracranial veins. It is valveless. [3] The superior ophthalmic vein is the largest and the most consistently present vein of the orbit. It usually measures 2-10 mm in ...

  5. Inferior ophthalmic vein - Wikipedia

    en.wikipedia.org/wiki/Inferior_ophthalmic_vein

    The inferior ophthalmic vein passes posterior-ward through the inferior orbit [4] upon the inferior rectus muscle.It passes across (not through) the inferior orbital fissure before either draining into the superior ophthalmic vein within the orbit, or passing through or below the common tendinous ring and exiting the orbit through the superior orbital fissure to empty into the cavernous sinus.

  6. Cavernous sinus - Wikipedia

    en.wikipedia.org/wiki/Cavernous_sinus

    As a venous sinus, the cavernous sinus receives blood from the superior and inferior ophthalmic veins and from superficial cortical veins, and is connected to the basilar plexus of veins posteriorly. The cavernous sinus drains by two larger channels, the superior and inferior petrosal sinuses , ultimately into the internal jugular vein via the ...

  7. Angular vein - Wikipedia

    en.wikipedia.org/wiki/Angular_vein

    The angular vein is a vein of the face. It is the upper part of the facial vein, above its junction with the superior labial vein. It is formed by the junction of the supratrochlear vein and supraorbital vein, and joins with the superior labial vein. It drains the medial canthus, and parts of the nose and the upper lip.

  8. Cheek reconstruction - Wikipedia

    en.wikipedia.org/wiki/Cheek_reconstruction

    The venous drainage system of the cheek is predominantly formed by the anterior facial vein, which subsequently communicates with the internal jugular vein. However, substantial drainage via the ophthalmic, infraorbital, and deep facial veins communicates with the cavernous sinus [citation needed]

  9. Pterygoid plexus - Wikipedia

    en.wikipedia.org/wiki/Pterygoid_plexus

    It is a venous plexus of considerable size, situated between the temporalis muscle and lateral pterygoid muscle, and partly between the two pterygoid muscles. [citation needed] The plexus features venous valves. The contractions of the lateral pterygoid muscle promote venous drainage. [2]