Iris dilator muscle Iris dilator muscle The iris dilator muscle (pupil dilator muscle, pupillary dilator, radial muscle of iris, radiating fibers), is a smooth muscle of the eye, running radially in the iris and therefore fit as a dilator. The pupillary dilator consists of a spokelike arrangement of modified contractile cells called myoepithelial cells. These cells are stimulated by the sympathetic nervous system. When stimulated, the cells contract, widening the pupil and allowing for more light to pass through the eye. It is innervated by the sympathetic system, which acts by releasing noradrenaline, which acts on α1-receptors. Thus, when presented with a threatening
The Light That Floods great deal of potential, and they deserve every good thing that comes their way as a result of this release." Dave Wood, awarding the album four and a half stars at Louder Than the Music, writes, "Rarely does a debut album offer such a rich selection of songs. Musically enjoyable, lyrically intense and thoroughly brilliant, this is an album oozing talent and quality. The Remission Flow know how to combine their song writing and performing abilities to produce something a little bit special." The Light That Floods The Light That Floods is the first studio album by The Remission Flow.