Which structure produces aqueous humor?

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Study for the History and Physical (Handamp;P) Exam 1. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which structure produces aqueous humor?

Explanation:
Aqueous humor is produced by the ciliary processes in the ciliary body. The ciliary epithelium actively secretes fluid from the blood into the posterior chamber, which then flows through the pupil into the anterior chamber and is drained through the trabecular meshwork and uveoscleral pathways. This production helps maintain intraocular pressure and nourishes avascular structures like the lens and cornea. The iris mainly controls pupil size, the retina is the light-sensing layer, and the cornea is the transparent front surface that does not secrete aqueous humor. So, the ciliary body is the structure that produces aqueous humor.

Aqueous humor is produced by the ciliary processes in the ciliary body. The ciliary epithelium actively secretes fluid from the blood into the posterior chamber, which then flows through the pupil into the anterior chamber and is drained through the trabecular meshwork and uveoscleral pathways. This production helps maintain intraocular pressure and nourishes avascular structures like the lens and cornea. The iris mainly controls pupil size, the retina is the light-sensing layer, and the cornea is the transparent front surface that does not secrete aqueous humor. So, the ciliary body is the structure that produces aqueous humor.

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