circular fibers

(redirected from Iris sphincter muscle)
Also found in: Dictionary, Thesaurus, Wikipedia.
Related to Iris sphincter muscle: Iris dilator muscle

cir·cu·lar fi·bers

the circular fibers of the ciliary muscle.
Farlex Partner Medical Dictionary © Farlex 2012

circular fibers

Collagen bundles in the gingiva that surround a tooth.
See also: fiber
Medical Dictionary, © 2009 Farlex and Partners


Heinrich, German anatomist, 1820-1864.
Müller fibers - (1) circular fibers - (2) sustentacular neuroglial cells of the retina. Synonym(s): Müller radial cells
Müller muscle - Synonym(s): circular fibers; orbitalis muscle; superior tarsal muscle
Müller radial cells - Synonym(s): Müller fibers (2)
Müller trigone - the floor of the supraoptic recess of the third ventricle.


Charles M.B., French physiologist, 1824-1904.
Rouget cell - a cell with several slender processes that embraces the capillary wall in amphibia. Synonym(s): capillary pericyte
Rouget muscle - the circular fibers of the ciliary muscle. Synonym(s): circular fibers
Rouget-Neumann sheath - the amorphous ground substance between an osteocyte and the lacunar or canalicular wall.
Medical Eponyms © Farlex 2012

cir·cum·fer·en·tial fi·bers

(sĭrkŭm-fĕr-enshăl fībĕrz)
Fibers in free gingiva that encircle neck of the tooth.
Synonym(s): circular fibers.
Medical Dictionary for the Dental Professions © Farlex 2012