Objective: Anatomical variations are very important for preventig surgical complications. The nervous variations are rarer than vascular variations. We decide to publish the variation that we encountered.

Material: During routine cadaver dissection, in the labratory of Faculty of Dentistry of Ankara University, we encountered a variation in a sixty years old female cadaver. The variation was on the right side. In this variation, musculocutaneous nerve didn’t pierce the corachobrachialis muscle and there was a communicating branch running from the musculocutaneus to median nerve. The communication is in the middle of the arm.

Conclusion: It’s possible that combined paralysis of the musculocutaneous and median nerves would occure. The present variation may be important to clinicians. If the surgeon finds it necessary to isolate and trace the median or/and musculocutaneous nerve, he or she must be very sensitive to communications that may occure between them.