Which arteries primarily supply the posterior choroid?

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Prepare for the NBEO Ocular Anatomy Posterior Segment and Cranial Nerves Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which arteries primarily supply the posterior choroid?

Explanation:
The posterior choroid is fed primarily by the short posterior ciliary arteries. These numerous small arteries dive into the sclera near the optic nerve and form a dense choroidal network that supplies the posterior pole, including the choriocapillaris under the outer retina. In contrast, the long posterior ciliary arteries travel forward to vascularize more anterior parts of the choroid and the ciliary body, while the central retinal artery supplies the inner retina and the anterior ciliary arteries feed the anterior segment (iris and anterior ciliary body). So the vessels most responsible for the posterior choroid are the short posterior ciliary arteries.

The posterior choroid is fed primarily by the short posterior ciliary arteries. These numerous small arteries dive into the sclera near the optic nerve and form a dense choroidal network that supplies the posterior pole, including the choriocapillaris under the outer retina. In contrast, the long posterior ciliary arteries travel forward to vascularize more anterior parts of the choroid and the ciliary body, while the central retinal artery supplies the inner retina and the anterior ciliary arteries feed the anterior segment (iris and anterior ciliary body). So the vessels most responsible for the posterior choroid are the short posterior ciliary arteries.

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