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  2. Superior orbital fissure - Wikipedia

    en.wikipedia.org/wiki/Superior_orbital_fissure

    The superior orbital fissure is a foramen or cleft of the skull between the lesser and greater wings of the sphenoid bone. It gives passage to multiple structures, including the oculomotor nerve , trochlear nerve , ophthalmic nerve , abducens nerve , ophthalmic veins , and sympathetic fibres from the cavernous plexus .

  3. Inferior orbital fissure - Wikipedia

    en.wikipedia.org/wiki/Inferior_orbital_fissure

    The inferior orbital fissure is a gap between the greater wing of sphenoid bone, and the maxilla. It connects the orbit (anteriorly) with the infratemporal fossa and pterygopalatine fossa (posteriorly).

  4. Petrotympanic fissure - Wikipedia

    en.wikipedia.org/wiki/Petrotympanic_fissure

    The petrotympanic fissure (also known as the squamotympanic fissure or the glaserian fissure) is a fissure in the temporal bone [1] that runs from the temporomandibular joint to the tympanic cavity. [ 2 ]

  5. Bone fracture - Wikipedia

    en.wikipedia.org/wiki/Bone_fracture

    A bone fracture (abbreviated FRX or Fx, F x, or #) is a medical condition in which there is a partial or complete break in the continuity of any bone in the body. In more severe cases, the bone may be broken into several fragments, known as a comminuted fracture. [1]

  6. Orbit (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Orbit_(anatomy)

    The superior orbital fissure lies just lateral and inferior to the optic canal, and is formed at the junction of the lesser and greater wing of the sphenoid bone. It is a major pathway for intracranial communication, containing cranial nerves III , IV , VI which control eye movement via the extraocular muscles , and the ophthalmic branches of ...

  7. Fissure - Wikipedia

    en.wikipedia.org/wiki/Fissure

    A volcanic fissure and lava channel. A fissure vent, also known as a volcanic fissure or eruption fissure, is a long volcanic vent through which lava erupts. Fissure vents are connected to deep magma reservoirs and are typically found in and along rifts and rift zones. [14] They are commonly associated with shield volcanoes.

  8. Sulcus (morphology) - Wikipedia

    en.wikipedia.org/wiki/Sulcus_(morphology)

    In biological morphology and anatomy, a sulcus (pl.: sulci) is a furrow or fissure (Latin fissura, pl.: fissurae). It may be a groove, natural division, deep furrow, elongated cleft, or tear in the surface of a limb or an organ, most notably on the surface of the brain , but also in the lungs , certain muscles (including the heart ), as well as ...

  9. Petro-occipital fissure - Wikipedia

    en.wikipedia.org/wiki/Petro-occipital_fissure

    This grooved surface of the foramen magnum is separated on either side from the petrous portion of the temporal bone by the petro-occipital fissure, which is occupied in the fresh state by a plate of cartilage; the fissure is continuous behind with the jugular foramen, and its margins are grooved for the inferior petrosal sinus.