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The ciliary body is the structure in the eye that releases a transparent liquid (called the aqueous humor) within the eye.
The ciliary body also contains the ciliary muscle, which changes the shape of the lens when your eyes focus on something. This process is called accomodation.
ReferencesEvans M. Uveitis and other intraocular inflammations. In: Yanoff M, Duker JS, eds. Ophthalmology. 3rd ed. St. Louis, Mo: Mosby Elsevier; 2008:chap 7.
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the ciliary muscle is the smooth muscle of the ciliary body
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Within the Eye, the Ciliary Body consists of four levels: the Ciliary Muscles; the Vascular layer; the Ciliary process, and the Ciliary Epithelium.
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The ciliary body is a structure in the eye that produces aqueous humor, while the ciliary muscle is a muscle that helps to change the shape of the lens for focusing.
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The ciliary muscle as well as the ciliary body.
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The ciliary body and the choroid plexus within the lateral ventricles of the brain produce the aqueous humor in the eye. The aqueous humor nourishes the cornea and the lens, provides intraocular pressure, and removes waste from the anterior chamber of the eye.
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No, bipolar cells are a type of neuron found in the retina of the eye, not in the ciliary ganglion. The ciliary ganglion primarily contains postganglionic parasympathetic neurons that innervate the muscles controlling the shape of the lens in the eye.
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The ciliary body, which consists of ciliary muscles and ciliary processes, is the structure that surrounds the lens and connects to the choroid. The ciliary body controls the shape of the lens through the action of the ciliary muscles, which can adjust the thickness of the lens to allow for focusing on objects at different distances.
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the lens is held vertically in the eye's interior by suspensory ligaments or more specifically called the ciliary zonule, attached to the ciliary body.
so suspensory ligaments is the answer(-:
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iris and ciliary muscles
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The ciliary muscle is located within the eye and is responsible for controlling the shape of the lens, which is crucial for focusing on objects at different distances. Contraction and relaxation of the ciliary muscle affect the thickness of the lens, allowing for accommodation of near and far vision.
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cyc- is the combining form meaning ciliary muscle, as in iridocyclitis.
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The object pulled on by ciliary muscles to bend light is the lens of the eye. The ciliary muscles change the shape of the lens, which allows the eye to focus on objects at different distances.
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A Zinn's membrane is another name for a ciliary zonule, a ring of strands connecting the ciliary body with the lens of the eye.
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Yes; the ciliary body is a mass of smooth muscle from which the lens is suspended.
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A zonule of Zinn is another word for a ciliary zonule, a string of strand connecting the ciliary body with the crystalline lens of the eye.
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The shape of the lens is controlled by the ciliary muscle in the eye. The ciliary muscle adjusts the shape of the lens to allow for focusing on objects at different distances, a process known as accommodation.
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The ciliary body has three functions: accommodation, aqueous humor production and the production and maintenance of the lens zonules. Accommodation essentially means that when the ciliary muscle contracts, the lens becomes more convex, generally improving the focus for closer objects. When it relaxes, it flattens the lens, generally improving the focus for farther objects. One of the essential roles of the ciliary body is also the production of the aqueous humor, which is responsible for providing most of the nutrients for the lens and the cornea and involved in waste management of these areas.
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The ciliary body is a structure in the vascular tunic of the eye that produces aqueous humor, which nourishes and maintains the shape of the eye. It also contains ciliary muscles that control the shape of the lens for focusing on near or distant objects. Additionally, the ciliary body is responsible for anchoring the suspensory ligaments that hold the lens in place.
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The ciliary muscle is relaxed when you look at something that is far away.
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The suspensory ligaments, also known as zonules, connect the ciliary body to the lens. These ligaments play a crucial role in controlling the shape and accommodation of the lens for focusing on objects at different distances.
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No, the ciliary muscles are not considered voluntary skeletal muscles. They are involuntary smooth muscles that control the shape of the lens in the eye.
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The process by which the lens of the eye changes its curvature is called accommodation. This involves the ciliary muscles surrounding the lens contracting or relaxing to change the shape of the lens, allowing the eye to focus on objects at different distances.
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Yes, during distance vision the ciliary muscle is relaxed. This allows the lens to flatten, which helps focus incoming light from distant objects onto the retina.
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The ciliary body is the structure that holds the lens in place in the eye. It is involved in accommodation, which is the process of the lens changing shape to focus on near or far objects. The ciliary body contracts and relaxes to adjust the tension on the lens, allowing it to change shape for focusing.
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The ciliary body plays a crucial role in the eye by producing aqueous humor, which helps maintain eye pressure and nourish the surrounding tissues. It also controls the shape and thickness of the lens to facilitate focusing on objects at various distances through a process called accommodation.
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The ciliary body is responsible for producing aqueous humor, a fluid that nourishes the cornea and lens of the eye. It also helps in controlling the shape of the lens and thus plays a crucial role in focusing light onto the retina for clear vision.
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Be sure not to confuse the roles of the ciliary muscles and pupillary muscles; this is a mistake that even the experts make at times. The ciliary muscles do not control the size of the pupils - this is the job of the sphincter pupillae and dilator pupillae.
The ciliary muscles adjust the shape of the lenses in order to focus the eyes. They are attached to the zonules of Zinn, which are in turn attached to the lenses. Contraction of the ciliary muscles slackens the zonules so they don't pull so much on the lenses. The lenses become rounder, and the eyes can focus on a nearby object. When the ciliary muscles relax, the zonules pull the edges of the lenses so they become flatter and thinner for distance vision.
This is the basic mechanism of accomodation. There is some disagreement regarding the details - look up Helmholtz and Schachar if you are interested.
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Ciliary action refers to the coordinated movement of cilia, tiny hair-like structures, to facilitate the movement of fluid or particles along the surface of a cell or tissue. This mechanism is essential in various biological processes, such as the clearance of mucus in the respiratory system and the movement of eggs in the female reproductive tract.
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change in shape of lens.
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