CHORIOIDEA Meaning and
Definition
-
The chorioidae, also known as the choroid, is a highly vascular layer of tissue that is located between the retina and the sclera in the eye. It is part of the uvea, which is the middle layer of the eye. The chorioidae is primarily responsible for providing oxygen and nutrients to the outer layers of the retina, ensuring the proper functioning of the eye.
Composed of a complex network of blood vessels, the chorioidae is richly supplied with blood to support its vital functions. Its primary role is to nourish the retina by delivering oxygen and nutrients, while also removing waste products generated from retinal metabolism. This continuous blood flow helps maintain the health and functionality of the various retinal cells, ensuring clear vision and optimal visual acuity.
In addition to its nutritional functions, the chorioidae also contributes to the regulation of intraocular pressure. It acts as a reservoir for excess fluid that is secreted by the ciliary body, which helps maintain the structural integrity of the eyeball, preventing it from collapsing due to increased pressure.
Furthermore, the chorioidae is responsible for producing melanin, a pigment that helps absorb excess light and reduces light scattering within the eye. This prevents glare and improves visual contrast, enhancing image clarity.
Overall, the chorioidae plays a crucial role in maintaining the overall health and function of the eye by providing essential nutrients, regulating intraocular pressure, and contributing to visual acuity.
-
Chorioid, choroid, the middle, vascular tunic of the eye lying between the retina and the sclera extending as far forward as the ora serrata of the former.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for CHORIOIDEA
- chorioidua
- chorioidma
- chorioidaa
- chorioidga
- chorioidei
- chorioidee
- chorioidec
- choarioidea
- c horioidea
- ch orioidea
- cho rioidea
- chor ioidea
- chori oidea
- chorio idea
- chorioi dea
- chorioid ea
- chorioide a
Etymology of CHORIOIDEA
The word "chorioidea" comes from a combination of two Greek words. "Chorion" means "membrane" or "sheath", and "eidos" means "appearance" or "form". In the context of the human eye, the chorioidea is a vascular layer located between the sclera (the white outer layer of the eye) and the retina. The term "chorioidea" describes the appearance of this layer, as it is rich in blood vessels that provide nutrition to the retina.
Infographic
Add the infographic to your website:
