sclera
/'skliərə/
Definition
- Noun:
- The white outer layer of the eyeball: The sclera is the dense, fibrous, white tissue that forms the outer protective coat of the eye, continuous with the cornea at the front.
Usage
- The sclera provides structural integrity and protection for the inner parts of the eyeball.
- It is the part of the eye commonly referred to as "the white of the eye."
Examples
- Noun:
- The doctor examined the patient's sclera for signs of jaundice, which can cause it to appear yellow.
- An injury to the sclera requires immediate medical attention.
Advanced Usage
- "Scleral" (adjective): Pertaining to the sclera.
- Scleral icterus is a yellowing of the sclera.
- In medical contexts, conditions like scleritis (inflammation of the sclera) are discussed.
Variants and Related Words
- Scleral (adj): Relating to the sclera.
- Scleritis (n): Inflammation of the sclera.
- Episclera (n): The thin layer of tissue between the conjunctiva and the sclera.
Synonyms
- White of the eye: A common, non-technical term for the visible part of the sclera.
Notes
- The sclera is continuous with the transparent cornea at the front of the eye. Together, they form the eye's outer tunic.
- Its white color comes from the dense collagen fibers that make up its structure.
Noun
-
the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball
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