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Multiple Choice
Aqueous humor forms during capillary filtration in the __________?
A
optic nerve
B
retina
C
cornea
D
ciliary body
Verified step by step guidance
1
Understand the role of the ciliary body in the eye: The ciliary body is a part of the eye located behind the iris. It plays a crucial role in producing aqueous humor, which is the clear fluid that fills the anterior and posterior chambers of the eye.
Learn about aqueous humor production: Aqueous humor is formed through capillary filtration in the ciliary body. The ciliary processes within the ciliary body contain capillaries that filter plasma from the blood to produce this fluid.
Recognize the importance of aqueous humor: This fluid helps maintain intraocular pressure, provides nutrients to avascular structures like the cornea and lens, and removes waste products.
Differentiate the structures of the eye: The optic nerve transmits visual information to the brain, the retina is responsible for detecting light and converting it into neural signals, and the cornea is the transparent front part of the eye that refracts light. None of these structures are involved in aqueous humor production.
Conclude that the ciliary body is the correct answer: Based on its anatomical location and function, the ciliary body is responsible for forming aqueous humor during capillary filtration.