Definition Of obturator
either of two muscles covering the outer front part of the pelvis on each side and involved in movements of the thigh and hip.
The surgeon uses a special hip arthroscopy cannula with cannulated obturators to establish the portals.
Example Of obturator
In one case the iliolumbar was a branch of the obturator , itself a branch of the internal iliac.
Metastatic prostatic and transitional cell carcinomas were present in a single obturator lymph node.
No tumor was detected in the right and left obturator lymph nodes.
The obturator artery is very variable in origin and no embryological explanation has been found.