Which of the following is NOT a major component of the vitreous?

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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 of the following is NOT a major component of the vitreous?

Explanation:
The vitreous is a hydrated gel formed by a network of type II collagen fibers embedded in a hydrated matrix of hyaluronic acid, with water making up the vast majority of its mass. Hyaluronic acid binds water and helps create the gel-like consistency that keeps the vitreous optically clear, while type II collagen provides the fibrillar framework that supports this network. Type IX collagen associates with type II collagen to help stabilize the network, but the dominant collagen in the vitreous is type II. Type I collagen, on the other hand, is abundant in sclera and corneal stroma, not in the vitreous, so it is not a major component of the vitreous.

The vitreous is a hydrated gel formed by a network of type II collagen fibers embedded in a hydrated matrix of hyaluronic acid, with water making up the vast majority of its mass. Hyaluronic acid binds water and helps create the gel-like consistency that keeps the vitreous optically clear, while type II collagen provides the fibrillar framework that supports this network. Type IX collagen associates with type II collagen to help stabilize the network, but the dominant collagen in the vitreous is type II. Type I collagen, on the other hand, is abundant in sclera and corneal stroma, not in the vitreous, so it is not a major component of the vitreous.

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