vitreous humour
Học thuậtThân thiện
Definition
Noun: 1. The transparent, gel-like substance filling the space between the lens and the retina of the eye: It is a clear, colorless, jelly-like material that helps maintain the eye's shape and allows light to pass through to the retina.
Usage
The term is used exclusively in anatomical and medical contexts to refer to the specific structure within the eyeball. It is a non-count noun.
Examples
- Noun:
- The vitreous humour helps maintain the spherical shape of the eye.
- A detached retina can sometimes be caused by changes in the vitreous humour.
- During the procedure, the surgeon removed a portion of the vitreous humour.
Advanced Usage
- "Vitreous detachment": A common age-related condition where the vitreous humour liquefies and pulls away from the retina.
- Floaters in your vision can be a symptom of a posterior vitreous detachment.
Variants and Related Words
- Vitreous body: A synonymous term for the vitreous humour.
- Vitreous (adjective): Of, relating to, or resembling glass. In anatomy, it describes the clear, gel-like quality of the humour (e.g., ).
- Aqueous humour: The clear fluid filling the space in the front of the eye between the lens and the cornea.
Synonyms
- Vitreous body
- Vitreous gel (common clinical term)
Notes on Meaning
This term refers specifically to the biological substance within the eye. It is not used metaphorically and has no idiomatic or phrasal verb applications.
Noun
- the clear colorless transparent jelly that fills the posterior chamber of the eyeball