Riolan(redirected from R.'s arc)
Jean, French anatomist and botanist, 1577-1657. See: Riolan anastomosis, Riolan arc, Riolan arcades, Riolan bones, Riolan bouquet, Riolan muscle.
Farlex Partner Medical Dictionary © Farlex 2012
Jean, French anatomist, 1577–1657.
Riolan's arch, R.'s arc
A vascular arch within the mesentery of the transverse colon.
The two ligaments and three muscles attached to the styloid process of the temporal bone.
The ciliary portion of the orbicularis oculi.
Medical Dictionary, © 2009 Farlex and Partners