|  | 
Medical Definition of Dilator muscle of ileocaecal sphincter
1. The longitudinal muscular fibres that open the ileal orifice at the level of the caecocolic junction. Synonym: musculus dilator pylori ilealis. (05 Mar 2000)
|  | 
1. The longitudinal muscular fibres that open the ileal orifice at the level of the caecocolic junction. Synonym: musculus dilator pylori ilealis. (05 Mar 2000)