Marginal part of orbicularis oris muscle
Pars marginalis musculi orbicularis oris
- Related terms: Marginal part
Definition
Marginal part of orbicularis oris is the peripheral margin radiating into the neighboring muscles, corresponding to the red area.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
