periductal

From peri- +‎ ductal.

periductal (not comparable)

1. Around a duct (for example, the ductus arteriosus).
   • 2013, Jacob Mandell, Core Radiology: A Visual Approach to Diagnostic Imaging (Cambridge Medicine)‎^[1], 1st edition, →ISBN, page 769:

     Aortic coarctation is congenital focal narrowing of the aorta in the region of the ductus arteriosus. It may be preductal (proximal to the ductus, illustrated on the right [in the original]), periductal, or postductal.

• preductal
• postductal