Orbital septum
Orbital Septum
The Orbital Septum (pronunciation: /ɔːrˈbaɪtəl ˈsɛptəm/) is a thin, fibrous membrane that forms the anterior boundary of the orbit in the human body. It is an important anatomical structure in the field of Ophthalmology and Plastic Surgery.
Etymology
The term "Orbital Septum" is derived from Latin. "Orbital" refers to the orbit, the cavity or socket of the skull in which the eye and its appendages are situated. "Septum" is a Latin word meaning "a partition" or "something that encloses".
Anatomy
The Orbital Septum originates from the periosteum of the orbital rims and extends to the eyelids. It serves as a physical barrier, protecting the contents of the orbit - the eye, extraocular muscles, optic nerve, and associated structures - from external pathogens and trauma.
Clinical Significance
The Orbital Septum plays a crucial role in the spread of infections and inflammations from the eyelids to the orbit, known as preseptal cellulitis and orbital cellulitis. It also has significant implications in blepharoplasty, a surgical procedure to correct deformities, defects, or disfigurations of the eyelids.
Related Terms
- Orbit
- Eyelids
- Extraocular muscles
- Optic nerve
- Preseptal cellulitis
- Orbital cellulitis
- Blepharoplasty
External links
- Medical encyclopedia article on Orbital septum
- Wikipedia's article - Orbital septum
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