choroid in English
- choroid⇄adj. 1. like the chorion; membranous.
2. having to do with or designating the choroid membrane or coat. - choroid⇄choroid, adjective, noun.
(Anatomy.) - choroid⇄noun the choroid membrane or coat. Also, chorioid.
Choroid
Part of Speech
Noun
Pronunciation
/ˈkɔːrɔɪd/
Definitions
- A layer of the eye between the retina and the sclera, containing blood vessels and responsible for nourishing the retina.
- In zoology, the vascular layer in the eyes of certain animals.
Usage Examples
- The choroid supplies oxygen and nutrients to the retina, ensuring proper visual function.
- In some species, the choroid is highly vascularized to adapt to their specific visual needs.
Etymology
Originating from the Greek word "choroides," meaning "skin-like," from "chorion," meaning "membrane," and the suffix "-oid," which means "resembling" or "like." The term refers to the membrane-like structure of the choroid in the eye.
Synonyms
- Choroidal layer
- Vascular layer
Antonyms
- Sclera
- Cornea
Translations
| Language | Translation | Pronunciation |
|---|---|---|
| Spanish | Coróides | /koˈɾoides/ |
| French | Choroïde | /kɔʁɔid/ |
| German | Choroidea | /kɔˈʁɔɪdɛa/ |
| Italian | Corioide | /korjoˈide/ |
| Portuguese | Coróide | /koˈɾoide/ |
| Russian | Хориоид | /xɔrʲɪˈɔɪd/ |
| Chinese (Mandarin) | 脉络膜 | /mài luò mó/ |
| Japanese | 脈絡膜 | /myakurokuma/ |
| Arabic | المشيمية | /al-mushimiyya/ |
| Hindi | चोरॉइड | /choroid/ |
| Bengali | চোরয়েড | /choroid/ |
| Marathi | चोरॉइड | /choroid/ |
| Telugu | చోరాయిడ్ | /choraid/ |
| Tamil | சொராயிட் | /chorait/ |
| Punjabi | ਚੋਰੋਇਡ | /choroid/ |
| Gujarati | ચોરોઇડ | /choroid/ |
Regional Pronunciation Variations
There are slight variations in pronunciation based on local accents. In regions where French or Italian is spoken, the pronunciation might emphasize the second syllable more strongly compared to English.
Historical Usage
The term "choroid" has been used in medical texts since the early 17th century to describe the vascular layer of the eye. Over time, its use has expanded to include studies on the eye's function in various organisms, including mammals, birds, and fish.
Cultural Nuances
In various cultures, the eye is often associated with vision, wisdom, and insight. The choroid's role in nourishing the retina has led to it being symbolically linked to the flow of knowledge and perception in many artistic and philosophical traditions.
More Information
The choroid is one of the essential structures in the eye, ensuring that the retina remains nourished with oxygen and nutrients. It is highly vascularized, making it particularly important in maintaining proper vision. Diseases affecting the choroid, such as choroidal neovascularization or age-related macular degeneration, can lead to severe vision loss. Understanding the function of the choroid has been a key focus of ophthalmological research, especially in developing treatments for retinal diseases.