Definitions

1. adjective

relating to or situated in the choroid, a layer of tissue between the sclera and retina of the eye

“The choroidal melanoma was a type of cancer that affected the eye’s choroid layer.”

2. noun

a layer of tissue between the sclera and retina of the eye

“The choroid is responsible for supplying the retina with oxygen and nutrients.”

3. noun

a melanoma that originates in the choroid layer of the eye

“Choroidal melanomas are typically more aggressive than uveal melanomas.”