Corrugator cutis ani
Corrugator cutis ani
- Latin synonym: Musculus corrugator cutis ani
- Synonym: Corrugator cutis ani muscle
- Eponym: Ellis' muscle
Definition
The corrugator cutis ani muscle (Ellis's muscle) is composed of involuntary muscle fibers in a thin stratum that radiate form the anal orifice.
Action: raises the skin into ridges around the margin of anus
References
