A very rare anatomical variation of external jugular vein's penetration by the transverse cutaneous nerve of the neck is displayed in the current study. The phenomenon of veins' fenestration or penetration by other structures, such as nerves along with its likely embryologic development are discussed. Moreover, the potential clinical significance of that variation's awareness on behalf the physician is discussed in detail.
Keywords: Cadaveric; External jugular vein; Penetrated vein; Transverse cervical nerve.
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