ZONULAR BAND Meaning and
Definition
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A zonular band is a term used in anatomy and medicine to refer to a specific anatomical structure found in the eye. It is also known as the suspensory ligament of the lens or the zonules of Zinn. The zonular band is a delicate set of fibers that surround the lens of the eye and hold it in place within the eye's capsular bag.
The zonular band is composed of numerous thin fibers that form a circular arrangement around the lens, connecting it to the ciliary body of the eye. These fibers provide support and stability to the lens, allowing it to maintain its position and shape during eye movements and visual accommodation.
The zonular band plays a crucial role in the overall functioning of the eye's focusing system. When the ciliary muscle contracts, it exerts tension on the zonular fibers, causing them to relax and allowing the lens to become thicker and more rounded. This change in the lens shape enables the eye to focus on near objects. Conversely, when the ciliary muscle relaxes, tension on the zonular fibers increases, making the lens thinner and flatter, which facilitates focusing on distant objects.
In summary, the zonular band serves as a vital support system for the lens of the eye, allowing it to move and change shape as needed for visual clarity at different distances.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ZONULAR BAND
- xonular band
- sonular band
- aonular band
- zinular band
- zknular band
- zlnular band
- zpnular band
- z0nular band
- z9nular band
- zobular band
- zomular band
- zojular band
- zohular band
- zonylar band
- zonhlar band
- zonjlar band
- zonilar band
- zon8lar band
- zon7lar band
- zonukar band
Etymology of ZONULAR BAND
The word "zonular" comes from the Latin word "zōna" meaning "zone" or "belt". It refers to anything related to a zone or belt-like structure.
The term "band" comes from Middle English, ultimately deriving from the Proto-Germanic word "bandaz" meaning "a binding" or "something that ties or fastens".
Therefore, "zonular band" is a combination of the Latin "zonular" and the Old English "band", both of which imply a structure or binding in the shape of a belt or zone. This term is often used in anatomy and medicine to describe a band-like structure found in various parts of the body.
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