ENTOCORNEA Meaning and
Definition
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The term "entocornea" refers to a type of internal cornea, specifically in insects and certain arthropods. The cornea is the transparent, dome-shaped outermost layer of the eye, responsible for protecting the eye from dust and other foreign particles while allowing light to enter. In insects and certain arthropods, the entocornea is a specialized region within the eye that serves a similar function.
Unlike invertebrates with conventional corneas, such as vertebrates, the entocornea is located internally within the eye of these creatures. This unique adaptation functions as a protective barrier, safeguarding the delicate internal structures of the eye. It is typically positioned beneath the external cuticle, separating the internal ocular components from the external environment.
The entocornea is composed of a translucent, chitinous material, providing structural integrity and transparency for efficient light transmission. Additionally, tiny openings termed ostioles allow entry of light into the eye, ensuring visual perception. The entocornea's design and position vary among different species, adapting to the specific needs and ecological niches of the respective insects or arthropods.
Furthermore, the entocornea contributes to the overall optical performance of the eye, including the formation of images on the neurosensory retina, enabling these organisms to process visual information effectively. Overall, the entocornea plays a crucial role in the visual system of insects and certain arthropods, acting as an internal cornea that protects and facilitates vision in these fascinating creatures.
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The inner or posterior lining membrane of the cornea, Descemet's membrane.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ENTOCORNEA
- wntocornea
- sntocornea
- dntocornea
- rntocornea
- 4ntocornea
- 3ntocornea
- emtocornea
- ejtocornea
- ehtocornea
- enrocornea
- enfocornea
- engocornea
- enyocornea
- en6ocornea
- en5ocornea
- enticornea
- entkcornea
- entlcornea
- entpcornea
- ent0cornea
Etymology of ENTOCORNEA
The word "entocornea" is a composite term derived from two Greek roots: "entos", meaning "within", and "korē", meaning "pupil" or "eye". The suffix "-nea" is often used to indicate a part or structure related to something specific. Therefore, "entocornea" refers to a structure or part located within the cornea of the eye.
