Lateral palpebral raphe
Lateral Palpebral Raphe
The Lateral Palpebral Raphe (pronunciation: /ˈlatərəl palˈpiːbrəl ˈræfi/) is a medical term used in the field of Ophthalmology to describe a specific anatomical feature of the human eye.
Etymology
The term originates from the Latin words 'lateralis' meaning 'side' and 'palpebra' meaning 'eyelid'. 'Raphe', on the other hand, is derived from the Greek word 'ῥαφή' (rhaphḗ), meaning 'seam' or 'suture'.
Definition
The Lateral Palpebral Raphe is a fibrous band of tissue found at the lateral end of the upper and lower eyelids. It is formed by the union of the tarsal plates, which are thick, dense connective tissue that gives form and support to the eyelids.
Function
The primary function of the Lateral Palpebral Raphe is to provide structural integrity to the eyelids, ensuring they maintain their shape and position. It also plays a role in the opening and closing of the eyelids.
Related Terms
- Tarsal plates: These are the thick connective tissue plates that give the eyelids their form and rigidity. They are found within the eyelid and are attached to the Lateral Palpebral Raphe.
- Medial Palpebral Raphe: This is the counterpart to the Lateral Palpebral Raphe, found at the medial end of the eyelids.
- Palpebral Fissure: This is the elliptical open space between the eyelids. The size and shape of the palpebral fissure are determined by the position and integrity of the Lateral and Medial Palpebral Raphes.
External links
- Medical encyclopedia article on Lateral palpebral raphe
- Wikipedia's article - Lateral palpebral raphe
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