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Diagram of eye with surrounding superior, oblique, medial and inferior rectus muscles; supraorbital foramen shown above the eye, and inferior orbital fissure inferolaterally. In anatomy, the orbit is the cavity or socket/hole of the skull in which the eye and its appendages are situated. "Orbit" can refer to the bony socket, [ 1 ] or it can ...
Jul 24, 2023 · The orbital septum is a connective tissue structure that acts as an anterior border between the facial skin and fat and the orbital contents, impeding the spread of infection into the orbit. [2] The lacrimal gland, a secretory gland comprising acini and ducts, produces tears and maintains the microenvironment of the eye.
- Nicholas Luibil, Michael J. Lopez, Bhupendra C. Patel
- 2023/07/24
- 2019
Jun 25, 2024 · Orbital rim fracture – This is a fracture of the bones forming the outer rim of the bony orbit. It usually occurs at the sutures joining the three bones of the orbital rim – the maxilla, zygomatic and frontal. ‘Blowout’ fracture – This refers to partial herniation of the orbital contents through one of its walls.
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Nov 3, 2023 · When it comes to the contents of the orbit, any inflammatory processes such as conjunctivitis, or even neoplastic processes, like chorodial melanoma, that affect the eye or its accessory structures show a tendency to spread into the cranium through orbital openings as they provide a direct communication between the orbit and cranial fossae. Depending on the nature of the process, it may result ...
- Content Manager
- 18 min
Jul 24, 2023 · The following seven bones form the orbit: The orbit is a pear shape, with the optic nerve at the stem, and holds approximately 30 cc volume. The entrance to the globe anteriorly is approximately 35 mm high and 45 mm wide. The depth from orbital rim to the orbital apex measures 40 to 45 mm in adults. The maximum width is 1 cm behind the anterior ...
- Caleb L. Shumway, Mahsaw Motlagh, Matthew Wade
- 2023/07/24
- 2021
Access to the orbital contents without osteotomy can proceed from the anterior orbit using either transcutaneous or transconjunctival approaches. Lid creases form the basis for designing most transcutaneous incisions, with the coronal incision being a notable exception.
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May 26, 2017 · The lateral orbital wall separates the orbital contents from the temporal and the pterygopalatine fossae (and from the middle cranial fossa near the orbital apex). The superior orbital wall ( orbital roof, paries superior ) is formed primarily by the frontal bone, its smooth and concave orbital surface, and in its posterior portion by the 1.5 cm long flat lesser wing of the sphenoid bone ( ala ...
