Medical Definition of Müller's muscle
: the circular muscle fibers comprising the inner set of muscle fibers of the ciliary muscle of the eye
Biographical Note for müller's muscle
Heinrich (1820–1864), German anatomist. Müller discovered rhodopsin in 1851. In 1856 with Rudolph A. von Kölliker (1817–1905) he demonstrated that each contraction of a frog's heart produces an electric current. In 1858 he published classic descriptions of three eye muscles: the superior and inferior muscles of the tarsal plate, the muscle that bridges the inferior orbital fissure, and the innermost fibers of the circular portion of the ciliary muscle.
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