Definition of Choroid
Choroid: In the eye, a thin vascular layer between the sclera and the retina. The choroid supplies blood to the retina and conducts arteries and nerves to other structures in the eye.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
eMedicineHealth Top News
Parenting and Pregnancy
Get tips for baby and you.
Pregnancy and Parenting Resources
- Your Guide to a Healthy Pregnancy
- Video: Dental Care and Pregnancy
- Pregnancy: What Does Insurance Cover?