ancillary ports

ancillary ports

in endoscopy, supplementary entry sites that allow insertion of instruments through the endoscope.

an·cil·la·ry ports

(an'sil-ar-ē pōrts)
A supplemental entry site to allow insertion of instruments other than the endoscope during endoscopic surgery.
References in periodicals archive ?
The only other ancillary ports needed are 5-mm dissecting ports placed in the right and left lower quadrants.
Two ancillary ports permit insufflation and smoke exhaustion throughout the procedure.