MRCP UK EXAMINATIONS

Detailed explanation-1: -A thin layer of tissue that is part of the middle layer of the wall of the eye, between the sclera (white outer layer of the eye) and the retina (the inner layer of nerve tissue at the back of the eye). The choriod is filled with blood vessels that bring oxygen and nutrients to the eye.

Detailed explanation-2: -Choroid: Layer of the eye behind the retina, contains blood vessels that nourish the retina.

Detailed explanation-3: -The choroid receives its main arterial supply from the following vessels: Short posterior ciliary arteries, which penetrate the sclera around the optic nerve. Long posterior ciliary arteries, which enter near the optic nerve and branch near the ora ciliaris retinae and lead back into the choroid.

Detailed explanation-4: -The vascular region of the choroid consists of the outer Haller’s layer of large blood vessels and the inner Sattler’s layer of medium and small arteries and arterioles that feed the capillary network, and veins (Figure 2).