Which ocular structure arises from neural crest–derived mesenchyme and contributes to the anterior segment?

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Multiple Choice

Which ocular structure arises from neural crest–derived mesenchyme and contributes to the anterior segment?

Explanation:
Neural crest cells migrate into the developing eye and populate the corneal region, where they become the mesenchymal tissue that forms the corneal stroma. This connective tissue layer, rich in collagen and keratocytes, is a defining part of the anterior segment and directly derives from neural crest–derived mesenchyme. Other ocular structures come from different embryonic origins: the retina is derived from neural ectoderm, the lens capsule is produced by the lens epithelium from surface ectoderm, and the optic nerve is CNS tissue. So the corneal stroma best fits as arising from neural crest–derived mesenchyme contributing to the anterior segment.

Neural crest cells migrate into the developing eye and populate the corneal region, where they become the mesenchymal tissue that forms the corneal stroma. This connective tissue layer, rich in collagen and keratocytes, is a defining part of the anterior segment and directly derives from neural crest–derived mesenchyme. Other ocular structures come from different embryonic origins: the retina is derived from neural ectoderm, the lens capsule is produced by the lens epithelium from surface ectoderm, and the optic nerve is CNS tissue. So the corneal stroma best fits as arising from neural crest–derived mesenchyme contributing to the anterior segment.

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