dictionary help| ciliary muscle | medical dictionary |
<anatomy> The smooth muscle of the ciliary body; it consists of circular fibres (Muller's muscle) and radiating fibres (meridional fibres, or Brucke's muscle); action, in contracting, its diameter is reduced (like a sphincter), reducing tensile (stretching) forces on lens, allowing it to thicken for near vision (accommodation).
Synonyms: musculus ciliaris, Bowman's muscle, ciliary ligament.
(05 Mar 2000)
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