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Correct direction of aqueous humor flow

  1. ciliary body, posterior chamber, trabecular meshwork, canal of schlemm

  2. ciliary body, anterior chamber, canal of schlemm

  3. iris, anterior chamber, canal of schlemm

  4. ciliary body, anterior chamber, trabecular meshwork, canal of schlemm

The correct answer is: ciliary body, anterior chamber, trabecular meshwork, canal of schlemm

The correct direction of aqueous humor flow in the eye is from the ciliary body, through the posterior chamber, into the anterior chamber, passing through the trabecular meshwork, and ultimately draining into the canal of Schlemm. This flow pattern allows for the nourishment of the avascular lens and cornea, regulation of intraocular pressure, and removal of waste products. Options A, B, and C do not accurately depict the sequential flow of aqueous humor through the structures of the eye as described in the question.