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The Ciliary Body

Definition

A part of the eye

anterior continuation of the choroid

Structure and function

Consists of non-striated muscle fibres (ciliary muscle) and secretory epithelial cells.

The suspensory ligament which holds the capsule of the lens is attached to the ciliary body.

The contraction of the ciliary muscle changes the thickness of the lens so that it can focus the light on the retina. (accommodation)

The epithelial cells secrete aqueous fluid into the anterior segment of the eye

Nerve supply

Parasympathetic branches of the oculomotor nerve (3rd cranial nerve)

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