choroid
Vascular Layer Behind Retina
Plain-language definition
A blood vessel-rich layer between the retina and sclera that supplies oxygen and nutrients to the outer retina.
Where this term comes up
“Uveitis is inflammation of the uvea - the middle layer of the eye that includes the iris, ciliary body, and choroid.”
Condition · Uveitis (Iritis)
“By blocking this enzyme in the brain's choroid plexus, it reduces cerebrospinal fluid production, lowering intracranial pressure.”
Medication · Acetazolamide (Diamox)
“The choroid (the vascular layer beneath) shows through this thin tissue and gives the fovea its normal pinkish-red appearance.”
Finding · Cherry-Red Spot
- Category
- Anatomy
- Also written as
- choroidal
Anatomy terms name the eye, orbit, optic nerve, retina, or visual pathway structures that may appear in an exam note or imaging report.
Related glossary terms
- macula
Central Retina
- OCT
Optical Coherence Tomography
- neovascularization
Abnormal New Vessel Growth
- fundus
Back of the Eye
- anti-VEGF
Anti-Vascular Endothelial Growth Factor
- bilaterally
On Both Sides
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.