EPISCLERA Meaning and
Definition
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Episclera refers to the thin layer of connective tissue located just beneath the outermost layer of the eye known as the conjunctiva. It is a clear, fibrous membrane that covers the sclera, which is the tough, white portion of the eye's outer wall. The episclera extends from the edge of the cornea, the transparent front part of the eye, to the insertion of the optic nerve at the back of the eye.
This layer plays a crucial role in maintaining the structural integrity of the eye as well as protecting the delicate structures within it. It contains a network of blood vessels that supply necessary nutrients and oxygen to the conjunctiva, sclera, and other parts of the eye, ensuring their proper function. The episclera also helps to regulate the flow of fluids within the eye, aiding in the maintenance of normal intraocular pressure.
In certain eye conditions or diseases such as episcleritis or scleritis, inflammation may occur in the episclera, leading to redness, discomfort, and sometimes pain. The episclera can also be a site where tumors or lesions may develop.
Understanding the anatomy and function of the episclera is important for the diagnosis and treatment of various ocular disorders. Its examination helps ophthalmologists assess the health and condition of the eye, as well as identify any abnormalities that may require intervention.
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The connective tissue between the sclera and the conjunctiva.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for EPISCLERA
- wpisclera
- spisclera
- dpisclera
- rpisclera
- 4pisclera
- 3pisclera
- eoisclera
- elisclera
- e-isclera
- e0isclera
- epusclera
- epjsclera
- epksclera
- eposclera
- ep9sclera
- ep8sclera
- epiaclera
- epizclera
- epixclera
- epidclera
Etymology of EPISCLERA
The word "episclera" is derived from two roots: "epi-" and "sclera".
1. "Epi-": The prefix "epi-" in Greek means "upon" or "over". It is commonly used in medical terminology to indicate a structure or condition that is located upon or above another structure.
2. "Sclera": The term "sclera" also comes from Greek and refers to the outer white layer of the eyeball. The sclera is composed of dense connective tissue and helps maintain the shape and structural integrity of the eye.
Therefore, when combined, "episclera" refers to the thin layer of tissue that lies upon or above the sclera in the eye.
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